./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-17.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a 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_cbe720b4-efa3-4851-a493-65e70ce7d519/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe720b4-efa3-4851-a493-65e70ce7d519/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe720b4-efa3-4851-a493-65e70ce7d519/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe720b4-efa3-4851-a493-65e70ce7d519/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-17.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe720b4-efa3-4851-a493-65e70ce7d519/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe720b4-efa3-4851-a493-65e70ce7d519/bin/utaipan-verify-DbMuA5NWw2 --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 45b46b3ee7f86f7814cd473dd2f0c3b871541d9116dfda6389a1ac1f27734388 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:25:11,169 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:25:11,267 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe720b4-efa3-4851-a493-65e70ce7d519/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-02 12:25:11,276 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:25:11,277 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:25:11,300 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:25:11,301 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:25:11,301 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:25:11,302 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:25:11,303 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:25:11,303 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:25:11,304 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:25:11,304 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:25:11,304 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:25:11,305 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:25:11,305 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:25:11,306 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:25:11,306 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:25:11,307 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:25:11,307 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:25:11,308 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:25:11,309 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:25:11,309 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:25:11,310 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:25:11,310 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:25:11,311 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:25:11,311 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:25:11,312 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:25:11,312 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:25:11,312 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:25:11,312 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:25:11,313 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:25:11,313 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:25:11,313 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:25:11,314 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:25:11,314 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:25:11,314 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:25:11,315 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:25:11,315 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:25:11,316 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:25:11,316 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:25:11,319 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:25:11,320 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:25:11,320 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:25:11,320 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:25:11,320 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:25:11,321 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:25:11,321 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_cbe720b4-efa3-4851-a493-65e70ce7d519/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe720b4-efa3-4851-a493-65e70ce7d519/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45b46b3ee7f86f7814cd473dd2f0c3b871541d9116dfda6389a1ac1f27734388 [2024-11-02 12:25:11,688 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:25:11,722 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:25:11,725 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:25:11,728 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:25:11,728 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:25:11,730 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe720b4-efa3-4851-a493-65e70ce7d519/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-17.i Unable to find full path for "g++" [2024-11-02 12:25:13,693 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:25:13,988 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:25:13,990 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe720b4-efa3-4851-a493-65e70ce7d519/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-17.i [2024-11-02 12:25:14,003 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe720b4-efa3-4851-a493-65e70ce7d519/bin/utaipan-verify-DbMuA5NWw2/data/f6ef071b2/79db330f5df449e98b1150f35c0cce34/FLAG0a405fc23 [2024-11-02 12:25:14,024 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe720b4-efa3-4851-a493-65e70ce7d519/bin/utaipan-verify-DbMuA5NWw2/data/f6ef071b2/79db330f5df449e98b1150f35c0cce34 [2024-11-02 12:25:14,027 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:25:14,029 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:25:14,031 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:25:14,032 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:25:14,039 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:25:14,040 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:25:14" (1/1) ... [2024-11-02 12:25:14,043 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52c1dffd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:14, skipping insertion in model container [2024-11-02 12:25:14,044 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:25:14" (1/1) ... [2024-11-02 12:25:14,079 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:25:14,299 WARN L251 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_cbe720b4-efa3-4851-a493-65e70ce7d519/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-17.i[916,929] [2024-11-02 12:25:14,377 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:25:14,392 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:25:14,406 WARN L251 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_cbe720b4-efa3-4851-a493-65e70ce7d519/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-17.i[916,929] [2024-11-02 12:25:14,441 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:25:14,472 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:25:14,473 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:14 WrapperNode [2024-11-02 12:25:14,473 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:25:14,475 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:25:14,475 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:25:14,475 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:25:14,484 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:14" (1/1) ... [2024-11-02 12:25:14,501 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:14" (1/1) ... [2024-11-02 12:25:14,546 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 132 [2024-11-02 12:25:14,550 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:25:14,551 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:25:14,551 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:25:14,551 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:25:14,568 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:14" (1/1) ... [2024-11-02 12:25:14,568 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:14" (1/1) ... [2024-11-02 12:25:14,571 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:14" (1/1) ... [2024-11-02 12:25:14,574 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:14" (1/1) ... [2024-11-02 12:25:14,585 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:14" (1/1) ... [2024-11-02 12:25:14,592 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:14" (1/1) ... [2024-11-02 12:25:14,596 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:14" (1/1) ... [2024-11-02 12:25:14,599 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:14" (1/1) ... [2024-11-02 12:25:14,602 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:25:14,607 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:25:14,611 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:25:14,611 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:25:14,612 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:14" (1/1) ... [2024-11-02 12:25:14,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:25:14,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe720b4-efa3-4851-a493-65e70ce7d519/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:25:14,653 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe720b4-efa3-4851-a493-65e70ce7d519/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:25:14,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe720b4-efa3-4851-a493-65e70ce7d519/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:25:14,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:25:14,695 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:25:14,696 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:25:14,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:25:14,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:25:14,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:25:14,803 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:25:14,808 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:25:15,121 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-02 12:25:15,122 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:25:15,262 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:25:15,263 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:25:15,263 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:25:15 BoogieIcfgContainer [2024-11-02 12:25:15,263 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:25:15,266 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:25:15,267 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:25:15,270 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:25:15,271 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:25:14" (1/3) ... [2024-11-02 12:25:15,272 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7532dd38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:25:15, skipping insertion in model container [2024-11-02 12:25:15,272 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:14" (2/3) ... [2024-11-02 12:25:15,272 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7532dd38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:25:15, skipping insertion in model container [2024-11-02 12:25:15,273 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:25:15" (3/3) ... [2024-11-02 12:25:15,274 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-17.i [2024-11-02 12:25:15,297 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:25:15,297 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:25:15,403 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:25:15,414 INFO L333 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, 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;@ededb1d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:25:15,415 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:25:15,419 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-02 12:25:15,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-02 12:25:15,434 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:25:15,435 INFO L215 NwaCegarLoop]: trace histogram [22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:25:15,436 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:25:15,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:25:15,445 INFO L85 PathProgramCache]: Analyzing trace with hash 1927482637, now seen corresponding path program 1 times [2024-11-02 12:25:15,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:25:15,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856693150] [2024-11-02 12:25:15,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:25:15,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:25:15,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:25:15,771 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 12:25:15,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:25:16,000 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-02 12:25:16,005 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 12:25:16,006 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-02 12:25:16,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-02 12:25:16,013 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-02 12:25:16,123 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 12:25:16,128 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:25:16 BoogieIcfgContainer [2024-11-02 12:25:16,128 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 12:25:16,131 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 12:25:16,131 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 12:25:16,131 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 12:25:16,132 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:25:15" (3/4) ... [2024-11-02 12:25:16,134 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 12:25:16,135 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 12:25:16,137 INFO L158 Benchmark]: Toolchain (without parser) took 2107.70ms. Allocated memory was 138.4MB in the beginning and 192.9MB in the end (delta: 54.5MB). Free memory was 105.6MB in the beginning and 135.7MB in the end (delta: -30.1MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2024-11-02 12:25:16,137 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 138.4MB. Free memory is still 110.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:25:16,138 INFO L158 Benchmark]: CACSL2BoogieTranslator took 443.24ms. Allocated memory is still 138.4MB. Free memory was 105.1MB in the beginning and 90.6MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-02 12:25:16,139 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.66ms. Allocated memory is still 138.4MB. Free memory was 90.6MB in the beginning and 88.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:25:16,140 INFO L158 Benchmark]: Boogie Preprocessor took 55.09ms. Allocated memory is still 138.4MB. Free memory was 88.4MB in the beginning and 86.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:25:16,140 INFO L158 Benchmark]: RCFGBuilder took 656.80ms. Allocated memory is still 138.4MB. Free memory was 86.4MB in the beginning and 60.1MB in the end (delta: 26.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-02 12:25:16,141 INFO L158 Benchmark]: TraceAbstraction took 862.32ms. Allocated memory was 138.4MB in the beginning and 192.9MB in the end (delta: 54.5MB). Free memory was 59.7MB in the beginning and 135.7MB in the end (delta: -76.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:25:16,141 INFO L158 Benchmark]: Witness Printer took 4.90ms. Allocated memory is still 192.9MB. Free memory was 135.7MB in the beginning and 135.7MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:25:16,147 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 138.4MB. Free memory is still 110.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 443.24ms. Allocated memory is still 138.4MB. Free memory was 105.1MB in the beginning and 90.6MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.66ms. Allocated memory is still 138.4MB. Free memory was 90.6MB in the beginning and 88.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.09ms. Allocated memory is still 138.4MB. Free memory was 88.4MB in the beginning and 86.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 656.80ms. Allocated memory is still 138.4MB. Free memory was 86.4MB in the beginning and 60.1MB in the end (delta: 26.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 862.32ms. Allocated memory was 138.4MB in the beginning and 192.9MB in the end (delta: 54.5MB). Free memory was 59.7MB in the beginning and 135.7MB in the end (delta: -76.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.90ms. Allocated memory is still 192.9MB. Free memory was 135.7MB in the beginning and 135.7MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of to_int at line 53. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 10000000; [L23] unsigned char var_1_2 = 0; [L24] signed long int var_1_3 = 16; [L25] signed long int var_1_4 = 7; [L26] signed long int var_1_5 = 49; [L27] signed short int var_1_6 = -10; [L28] signed long int var_1_7 = 4; [L29] signed long int var_1_8 = 9; [L30] signed short int var_1_9 = 128; [L31] signed short int var_1_10 = 128; [L32] unsigned char var_1_11 = 0; [L33] unsigned long int var_1_12 = 100; [L34] signed long int var_1_13 = 128; [L35] signed long int var_1_14 = 3; [L36] unsigned char var_1_15 = 16; [L37] unsigned char var_1_16 = 2; [L38] unsigned char last_1_var_1_15 = 16; [L113] isInitial = 1 [L114] FCALL initially() [L115] COND TRUE 1 [L116] CALL updateLastVariables() [L106] last_1_var_1_15 = var_1_15 [L116] RET updateLastVariables() [L117] CALL updateVariables() [L71] var_1_2 = __VERIFIER_nondet_uchar() [L72] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_3=16, var_1_4=7, var_1_5=49, var_1_6=-10, var_1_7=4, var_1_8=9, var_1_9=128] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_3=16, var_1_4=7, var_1_5=49, var_1_6=-10, var_1_7=4, var_1_8=9, var_1_9=128] [L73] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=16, var_1_4=7, var_1_5=49, var_1_6=-10, var_1_7=4, var_1_8=9, var_1_9=128] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=16, var_1_4=7, var_1_5=49, var_1_6=-10, var_1_7=4, var_1_8=9, var_1_9=128] [L74] var_1_3 = __VERIFIER_nondet_long() [L75] CALL assume_abort_if_not(var_1_3 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=-1, var_1_4=7, var_1_5=49, var_1_6=-10, var_1_7=4, var_1_8=9, var_1_9=128] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_3 >= -2147483648) VAL [isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=-1, var_1_4=7, var_1_5=49, var_1_6=-10, var_1_7=4, var_1_8=9, var_1_9=128] [L76] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=-1, var_1_4=7, var_1_5=49, var_1_6=-10, var_1_7=4, var_1_8=9, var_1_9=128] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=-1, var_1_4=7, var_1_5=49, var_1_6=-10, var_1_7=4, var_1_8=9, var_1_9=128] [L77] var_1_4 = __VERIFIER_nondet_long() [L78] CALL assume_abort_if_not(var_1_4 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=-1, var_1_4=0, var_1_5=49, var_1_6=-10, var_1_7=4, var_1_8=9, var_1_9=128] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_4 >= -2147483648) VAL [isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=-1, var_1_4=0, var_1_5=49, var_1_6=-10, var_1_7=4, var_1_8=9, var_1_9=128] [L79] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=-1, var_1_4=0, var_1_5=49, var_1_6=-10, var_1_7=4, var_1_8=9, var_1_9=128] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=-1, var_1_4=0, var_1_5=49, var_1_6=-10, var_1_7=4, var_1_8=9, var_1_9=128] [L80] var_1_5 = __VERIFIER_nondet_long() [L81] CALL assume_abort_if_not(var_1_5 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=4, var_1_8=9, var_1_9=128] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_5 >= -2147483648) VAL [isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=4, var_1_8=9, var_1_9=128] [L82] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=4, var_1_8=9, var_1_9=128] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=4, var_1_8=9, var_1_9=128] [L83] var_1_7 = __VERIFIER_nondet_long() [L84] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=0, var_1_8=9, var_1_9=128] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=0, var_1_8=9, var_1_9=128] [L85] CALL assume_abort_if_not(var_1_7 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=0, var_1_8=9, var_1_9=128] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_7 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=0, var_1_8=9, var_1_9=128] [L86] var_1_8 = __VERIFIER_nondet_long() [L87] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=0, var_1_8=0, var_1_9=128] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=0, var_1_8=0, var_1_9=128] [L88] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=0, var_1_8=0, var_1_9=128] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=0, var_1_8=0, var_1_9=128] [L89] var_1_9 = __VERIFIER_nondet_short() [L90] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=0, var_1_8=0, var_1_9=0] [L91] CALL assume_abort_if_not(var_1_9 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_9 <= 16383) VAL [isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=0, var_1_8=0, var_1_9=0] [L92] var_1_10 = __VERIFIER_nondet_short() [L93] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=1, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_15=16, var_1_10=1, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=0, var_1_8=0, var_1_9=0] [L94] CALL assume_abort_if_not(var_1_10 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=1, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_10 <= 32766) VAL [isInitial=1, last_1_var_1_15=16, var_1_10=1, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=0, var_1_8=0, var_1_9=0] [L95] var_1_11 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=1, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_15=16, var_1_10=1, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=0, var_1_8=0, var_1_9=0] [L97] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=1, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_15=16, var_1_10=1, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=0, var_1_8=0, var_1_9=0] [L98] var_1_14 = __VERIFIER_nondet_long() [L99] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=1, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=0, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_15=16, var_1_10=1, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=0, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=0, var_1_8=0, var_1_9=0] [L100] CALL assume_abort_if_not(var_1_14 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=1, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=0, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_14 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=16, var_1_10=1, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=0, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=0, var_1_8=0, var_1_9=0] [L101] var_1_16 = __VERIFIER_nondet_uchar() [L102] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=1, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=0, var_1_15=16, var_1_1=10000000, var_1_2=1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_15=16, var_1_10=1, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=0, var_1_15=16, var_1_1=10000000, var_1_2=1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=0, var_1_8=0, var_1_9=0] [L103] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=1, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=0, var_1_15=16, var_1_16=254, var_1_1=10000000, var_1_2=1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, last_1_var_1_15=16, var_1_10=1, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=0, var_1_15=16, var_1_16=254, var_1_1=10000000, var_1_2=1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=0, var_1_8=0, var_1_9=0] [L117] RET updateVariables() [L118] CALL step() [L42] var_1_12 = last_1_var_1_15 [L43] unsigned long int stepLocal_1 = var_1_12; [L44] signed short int stepLocal_0 = var_1_9; [L45] COND FALSE !(stepLocal_0 >= var_1_10) [L52] COND TRUE \read(var_1_2) [L53] var_1_1 = (var_1_3 + ((((var_1_4) < ((49.5 + var_1_5))) ? (var_1_4) : ((49.5 + var_1_5))))) [L55] COND FALSE !((- (var_1_7 - var_1_8)) <= var_1_3) [L58] COND TRUE \read(var_1_2) [L59] COND FALSE !(\read(var_1_11)) [L66] COND FALSE !(var_1_7 < (var_1_8 - var_1_14)) [L118] RET step() [L119] CALL, EXPR property() [L109-L110] return ((((var_1_2 ? (var_1_1 == ((signed long int) (var_1_3 + ((((var_1_4) < ((49.5 + var_1_5))) ? (var_1_4) : ((49.5 + var_1_5))))))) : 1) && (((- (var_1_7 - var_1_8)) <= var_1_3) ? (var_1_6 == ((signed short int) ((8 + var_1_15) - var_1_15))) : (var_1_2 ? (var_1_11 ? (var_1_6 == ((signed short int) var_1_15)) : 1) : (var_1_6 == ((signed short int) var_1_15))))) && (var_1_12 == ((unsigned long int) last_1_var_1_15))) && ((var_1_7 < (var_1_8 - var_1_14)) ? (var_1_13 == ((signed long int) ((((var_1_4) > (((((((((127.4f) > (var_1_5)) ? (127.4f) : (var_1_5)))) > (var_1_3)) ? (((((127.4f) > (var_1_5)) ? (127.4f) : (var_1_5)))) : (var_1_3))))) ? (var_1_4) : (((((((((127.4f) > (var_1_5)) ? (127.4f) : (var_1_5)))) > (var_1_3)) ? (((((127.4f) > (var_1_5)) ? (127.4f) : (var_1_5)))) : (var_1_3)))))))) : 1)) && ((var_1_9 >= var_1_10) ? (((var_1_9 + last_1_var_1_15) >= var_1_12) ? (var_1_15 == ((unsigned char) var_1_16)) : (var_1_15 == ((unsigned char) var_1_16))) : 1) ; [L119] RET, EXPR property() [L119] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_15=16, var_1_10=1, var_1_11=0, var_1_12=16, var_1_13=128, var_1_14=0, var_1_15=16, var_1_16=254, var_1_1=10000000, var_1_2=1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=0, var_1_8=0, var_1_9=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_15=16, var_1_10=1, var_1_11=0, var_1_12=16, var_1_13=128, var_1_14=0, var_1_15=16, var_1_16=254, var_1_1=10000000, var_1_2=1, var_1_3=-1, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=0, var_1_8=0, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 22, 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=42occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 81 NumberOfCodeBlocks, 81 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 [2024-11-02 12:25:16,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe720b4-efa3-4851-a493-65e70ce7d519/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe720b4-efa3-4851-a493-65e70ce7d519/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe720b4-efa3-4851-a493-65e70ce7d519/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe720b4-efa3-4851-a493-65e70ce7d519/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe720b4-efa3-4851-a493-65e70ce7d519/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-17.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe720b4-efa3-4851-a493-65e70ce7d519/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe720b4-efa3-4851-a493-65e70ce7d519/bin/utaipan-verify-DbMuA5NWw2 --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 45b46b3ee7f86f7814cd473dd2f0c3b871541d9116dfda6389a1ac1f27734388 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:25:19,203 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:25:19,305 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe720b4-efa3-4851-a493-65e70ce7d519/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-02 12:25:19,313 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:25:19,313 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:25:19,353 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:25:19,354 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:25:19,355 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:25:19,355 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:25:19,356 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:25:19,356 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:25:19,357 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:25:19,357 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:25:19,358 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:25:19,358 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:25:19,358 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:25:19,362 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:25:19,363 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:25:19,363 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:25:19,363 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:25:19,364 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:25:19,366 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:25:19,366 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:25:19,367 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:25:19,367 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 12:25:19,367 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 12:25:19,368 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:25:19,368 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 12:25:19,369 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:25:19,369 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:25:19,370 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:25:19,370 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:25:19,371 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 12:25:19,371 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:25:19,372 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:25:19,372 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:25:19,372 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:25:19,373 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:25:19,373 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:25:19,374 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 12:25:19,374 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 12:25:19,377 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:25:19,377 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:25:19,377 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:25:19,377 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_cbe720b4-efa3-4851-a493-65e70ce7d519/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe720b4-efa3-4851-a493-65e70ce7d519/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45b46b3ee7f86f7814cd473dd2f0c3b871541d9116dfda6389a1ac1f27734388 [2024-11-02 12:25:19,820 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:25:19,846 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:25:19,849 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:25:19,851 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:25:19,851 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:25:19,853 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe720b4-efa3-4851-a493-65e70ce7d519/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-17.i Unable to find full path for "g++" [2024-11-02 12:25:22,044 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:25:22,339 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:25:22,340 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe720b4-efa3-4851-a493-65e70ce7d519/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-17.i [2024-11-02 12:25:22,350 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe720b4-efa3-4851-a493-65e70ce7d519/bin/utaipan-verify-DbMuA5NWw2/data/3ad09303c/da673558e4984d85ad633a06c3a4b6f9/FLAGe7502d93e [2024-11-02 12:25:22,370 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe720b4-efa3-4851-a493-65e70ce7d519/bin/utaipan-verify-DbMuA5NWw2/data/3ad09303c/da673558e4984d85ad633a06c3a4b6f9 [2024-11-02 12:25:22,373 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:25:22,376 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:25:22,378 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:25:22,380 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:25:22,385 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:25:22,386 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:25:22" (1/1) ... [2024-11-02 12:25:22,387 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53c63388 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:22, skipping insertion in model container [2024-11-02 12:25:22,389 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:25:22" (1/1) ... [2024-11-02 12:25:22,420 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:25:22,653 WARN L251 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_cbe720b4-efa3-4851-a493-65e70ce7d519/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-17.i[916,929] [2024-11-02 12:25:22,702 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:25:22,729 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:25:22,741 WARN L251 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_cbe720b4-efa3-4851-a493-65e70ce7d519/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-17.i[916,929] [2024-11-02 12:25:22,787 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:25:22,814 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:25:22,814 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:22 WrapperNode [2024-11-02 12:25:22,815 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:25:22,816 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:25:22,816 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:25:22,816 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:25:22,824 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:22" (1/1) ... [2024-11-02 12:25:22,842 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:22" (1/1) ... [2024-11-02 12:25:22,881 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 124 [2024-11-02 12:25:22,881 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:25:22,883 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:25:22,883 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:25:22,884 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:25:22,894 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:22" (1/1) ... [2024-11-02 12:25:22,894 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:22" (1/1) ... [2024-11-02 12:25:22,897 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:22" (1/1) ... [2024-11-02 12:25:22,899 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:22" (1/1) ... [2024-11-02 12:25:22,912 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:22" (1/1) ... [2024-11-02 12:25:22,919 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:22" (1/1) ... [2024-11-02 12:25:22,925 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:22" (1/1) ... [2024-11-02 12:25:22,927 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:22" (1/1) ... [2024-11-02 12:25:22,936 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:25:22,937 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:25:22,937 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:25:22,937 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:25:22,938 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:22" (1/1) ... [2024-11-02 12:25:22,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:25:22,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe720b4-efa3-4851-a493-65e70ce7d519/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:25:22,996 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe720b4-efa3-4851-a493-65e70ce7d519/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:25:23,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe720b4-efa3-4851-a493-65e70ce7d519/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:25:23,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:25:23,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-02 12:25:23,056 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:25:23,056 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:25:23,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:25:23,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:25:23,177 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:25:23,179 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:25:29,660 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-02 12:25:29,661 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:25:29,687 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:25:29,688 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:25:29,689 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:25:29 BoogieIcfgContainer [2024-11-02 12:25:29,689 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:25:29,692 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:25:29,693 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:25:29,696 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:25:29,697 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:25:22" (1/3) ... [2024-11-02 12:25:29,698 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d9901d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:25:29, skipping insertion in model container [2024-11-02 12:25:29,699 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:22" (2/3) ... [2024-11-02 12:25:29,700 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d9901d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:25:29, skipping insertion in model container [2024-11-02 12:25:29,700 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:25:29" (3/3) ... [2024-11-02 12:25:29,702 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-17.i [2024-11-02 12:25:29,722 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:25:29,723 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:25:29,814 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:25:29,821 INFO L333 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, 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;@63993e56, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:25:29,822 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:25:29,830 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 35 states have internal predecessors, (46), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-02 12:25:29,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-02 12:25:29,849 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:25:29,851 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:25:29,851 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:25:29,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:25:29,860 INFO L85 PathProgramCache]: Analyzing trace with hash -2015347980, now seen corresponding path program 1 times [2024-11-02 12:25:29,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:25:29,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [450576057] [2024-11-02 12:25:29,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:25:29,881 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 [2024-11-02 12:25:29,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe720b4-efa3-4851-a493-65e70ce7d519/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:25:29,894 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe720b4-efa3-4851-a493-65e70ce7d519/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 12:25:29,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe720b4-efa3-4851-a493-65e70ce7d519/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:25:30,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:25:30,457 INFO L255 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-02 12:25:30,472 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:25:30,533 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 474 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-11-02 12:25:30,533 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:25:30,534 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:25:30,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [450576057] [2024-11-02 12:25:30,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [450576057] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:25:30,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:25:30,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:25:30,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691399015] [2024-11-02 12:25:30,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:25:30,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-02 12:25:30,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:25:30,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-02 12:25:30,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:25:30,579 INFO L87 Difference]: Start difference. First operand has 59 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 35 states have internal predecessors, (46), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-02 12:25:30,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:25:30,623 INFO L93 Difference]: Finished difference Result 111 states and 196 transitions. [2024-11-02 12:25:30,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-02 12:25:30,625 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 134 [2024-11-02 12:25:30,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:25:30,636 INFO L225 Difference]: With dead ends: 111 [2024-11-02 12:25:30,636 INFO L226 Difference]: Without dead ends: 55 [2024-11-02 12:25:30,640 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:25:30,647 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-02 12:25:30,649 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:25:30,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2024-11-02 12:25:30,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2024-11-02 12:25:30,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 31 states have internal predecessors, (39), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-02 12:25:30,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 83 transitions. [2024-11-02 12:25:30,709 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 83 transitions. Word has length 134 [2024-11-02 12:25:30,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:25:30,710 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 83 transitions. [2024-11-02 12:25:30,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-02 12:25:30,710 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 83 transitions. [2024-11-02 12:25:30,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-02 12:25:30,718 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:25:30,718 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:25:30,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe720b4-efa3-4851-a493-65e70ce7d519/bin/utaipan-verify-DbMuA5NWw2/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)] Ended with exit code 0 [2024-11-02 12:25:30,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe720b4-efa3-4851-a493-65e70ce7d519/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:25:30,919 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:25:30,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:25:30,920 INFO L85 PathProgramCache]: Analyzing trace with hash 1735711156, now seen corresponding path program 1 times [2024-11-02 12:25:30,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:25:30,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [732139954] [2024-11-02 12:25:30,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:25:30,924 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 [2024-11-02 12:25:30,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe720b4-efa3-4851-a493-65e70ce7d519/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:25:30,928 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe720b4-efa3-4851-a493-65e70ce7d519/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 12:25:30,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe720b4-efa3-4851-a493-65e70ce7d519/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:25:31,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:25:31,363 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 12:25:31,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:25:31,722 ERROR L246 FreeRefinementEngine]: Caught known exception: Invalid model [2024-11-02 12:25:31,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1024798865] [2024-11-02 12:25:31,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:25:31,723 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-02 12:25:31,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe720b4-efa3-4851-a493-65e70ce7d519/bin/utaipan-verify-DbMuA5NWw2/cvc4 [2024-11-02 12:25:31,726 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe720b4-efa3-4851-a493-65e70ce7d519/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-02 12:25:31,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe720b4-efa3-4851-a493-65e70ce7d519/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-02 12:25:32,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:25:32,530 INFO L255 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-02 12:25:32,540 INFO L278 TraceCheckSpWp]: Computing forward predicates...