./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/cos_1_safe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc350a0a-776d-4f90-8d13-eb3ada29728f/bin/utaipan-verify-QoSU8krkJ5/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc350a0a-776d-4f90-8d13-eb3ada29728f/bin/utaipan-verify-QoSU8krkJ5/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc350a0a-776d-4f90-8d13-eb3ada29728f/bin/utaipan-verify-QoSU8krkJ5/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc350a0a-776d-4f90-8d13-eb3ada29728f/bin/utaipan-verify-QoSU8krkJ5/config/TaipanReach.xml -i ../../sv-benchmarks/c/neural-networks/cos_1_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc350a0a-776d-4f90-8d13-eb3ada29728f/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc350a0a-776d-4f90-8d13-eb3ada29728f/bin/utaipan-verify-QoSU8krkJ5 --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 41410d16aeef06bed2b12db0787edc3f23e46b813b70285dbe9664c74b764df5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 19:02:17,843 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 19:02:17,961 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc350a0a-776d-4f90-8d13-eb3ada29728f/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-21 19:02:17,967 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 19:02:17,968 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 19:02:18,011 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 19:02:18,013 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 19:02:18,014 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 19:02:18,015 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 19:02:18,020 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 19:02:18,020 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-21 19:02:18,022 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-21 19:02:18,022 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-21 19:02:18,024 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-21 19:02:18,024 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-21 19:02:18,024 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-21 19:02:18,025 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-21 19:02:18,025 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-21 19:02:18,026 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-21 19:02:18,026 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-21 19:02:18,027 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-21 19:02:18,027 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-21 19:02:18,029 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 19:02:18,029 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 19:02:18,029 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 19:02:18,030 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 19:02:18,030 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 19:02:18,031 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 19:02:18,031 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 19:02:18,031 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 19:02:18,033 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 19:02:18,033 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 19:02:18,033 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 19:02:18,034 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 19:02:18,034 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 19:02:18,034 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 19:02:18,034 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 19:02:18,035 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:02:18,035 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 19:02:18,035 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 19:02:18,035 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 19:02:18,036 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-21 19:02:18,036 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 19:02:18,036 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 19:02:18,037 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 19:02:18,037 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-21 19:02:18,037 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 19:02:18,037 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_cc350a0a-776d-4f90-8d13-eb3ada29728f/bin/utaipan-verify-QoSU8krkJ5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc350a0a-776d-4f90-8d13-eb3ada29728f/bin/utaipan-verify-QoSU8krkJ5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41410d16aeef06bed2b12db0787edc3f23e46b813b70285dbe9664c74b764df5 [2023-11-21 19:02:18,349 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 19:02:18,375 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 19:02:18,377 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 19:02:18,380 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 19:02:18,381 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 19:02:18,382 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc350a0a-776d-4f90-8d13-eb3ada29728f/bin/utaipan-verify-QoSU8krkJ5/../../sv-benchmarks/c/neural-networks/cos_1_safe.c-amalgamation.i [2023-11-21 19:02:21,363 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 19:02:21,682 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 19:02:21,683 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc350a0a-776d-4f90-8d13-eb3ada29728f/sv-benchmarks/c/neural-networks/cos_1_safe.c-amalgamation.i [2023-11-21 19:02:21,706 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc350a0a-776d-4f90-8d13-eb3ada29728f/bin/utaipan-verify-QoSU8krkJ5/data/4ba294cd1/427e126ac77249f59cf912623b5cf11c/FLAG3c19ff83c [2023-11-21 19:02:21,721 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc350a0a-776d-4f90-8d13-eb3ada29728f/bin/utaipan-verify-QoSU8krkJ5/data/4ba294cd1/427e126ac77249f59cf912623b5cf11c [2023-11-21 19:02:21,724 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 19:02:21,726 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 19:02:21,727 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 19:02:21,728 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 19:02:21,756 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 19:02:21,757 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:02:21" (1/1) ... [2023-11-21 19:02:21,758 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50f4c880 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:02:21, skipping insertion in model container [2023-11-21 19:02:21,758 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:02:21" (1/1) ... [2023-11-21 19:02:21,875 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 19:02:22,118 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 19:02:22,618 WARN L635 FunctionHandler]: implicit declaration of function __builtin_isnan [2023-11-21 19:02:22,619 WARN L635 FunctionHandler]: implicit declaration of function __builtin_isinf_sign [2023-11-21 19:02:22,623 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_cc350a0a-776d-4f90-8d13-eb3ada29728f/sv-benchmarks/c/neural-networks/cos_1_safe.c-amalgamation.i[63024,63037] [2023-11-21 19:02:22,627 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 19:02:22,638 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 19:02:22,656 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 19:02:22,682 WARN L635 FunctionHandler]: implicit declaration of function __builtin_isnan [2023-11-21 19:02:22,683 WARN L635 FunctionHandler]: implicit declaration of function __builtin_isinf_sign [2023-11-21 19:02:22,684 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_cc350a0a-776d-4f90-8d13-eb3ada29728f/sv-benchmarks/c/neural-networks/cos_1_safe.c-amalgamation.i[63024,63037] [2023-11-21 19:02:22,684 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 19:02:22,803 WARN L675 CHandler]: The function __builtin_isnan is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 19:02:22,807 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 19:02:22,807 WARN L675 CHandler]: The function __builtin_isinf_sign is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 19:02:22,815 INFO L206 MainTranslator]: Completed translation [2023-11-21 19:02:22,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:02:22 WrapperNode [2023-11-21 19:02:22,816 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 19:02:22,818 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 19:02:22,818 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 19:02:22,819 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 19:02:22,828 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:02:22" (1/1) ... [2023-11-21 19:02:22,869 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:02:22" (1/1) ... [2023-11-21 19:02:22,908 INFO L138 Inliner]: procedures = 560, calls = 16, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 39 [2023-11-21 19:02:22,909 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 19:02:22,909 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 19:02:22,910 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 19:02:22,910 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 19:02:22,920 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:02:22" (1/1) ... [2023-11-21 19:02:22,921 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:02:22" (1/1) ... [2023-11-21 19:02:22,944 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:02:22" (1/1) ... [2023-11-21 19:02:22,945 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:02:22" (1/1) ... [2023-11-21 19:02:22,949 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:02:22" (1/1) ... [2023-11-21 19:02:22,951 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:02:22" (1/1) ... [2023-11-21 19:02:22,960 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:02:22" (1/1) ... [2023-11-21 19:02:22,962 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:02:22" (1/1) ... [2023-11-21 19:02:22,964 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 19:02:22,965 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 19:02:22,965 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 19:02:22,965 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 19:02:22,966 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:02:22" (1/1) ... [2023-11-21 19:02:22,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:02:22,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc350a0a-776d-4f90-8d13-eb3ada29728f/bin/utaipan-verify-QoSU8krkJ5/z3 [2023-11-21 19:02:23,011 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc350a0a-776d-4f90-8d13-eb3ada29728f/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 19:02:23,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc350a0a-776d-4f90-8d13-eb3ada29728f/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 19:02:23,056 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_isinf_sign [2023-11-21 19:02:23,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 19:02:23,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 19:02:23,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 19:02:23,057 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_isnan [2023-11-21 19:02:23,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 19:02:23,180 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 19:02:23,182 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 19:02:23,268 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 19:02:23,394 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 19:02:23,394 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 19:02:23,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:02:23 BoogieIcfgContainer [2023-11-21 19:02:23,396 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 19:02:23,399 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 19:02:23,399 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 19:02:23,402 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 19:02:23,403 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 07:02:21" (1/3) ... [2023-11-21 19:02:23,404 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@332b86bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 07:02:23, skipping insertion in model container [2023-11-21 19:02:23,404 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:02:22" (2/3) ... [2023-11-21 19:02:23,404 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@332b86bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 07:02:23, skipping insertion in model container [2023-11-21 19:02:23,405 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:02:23" (3/3) ... [2023-11-21 19:02:23,406 INFO L112 eAbstractionObserver]: Analyzing ICFG cos_1_safe.c-amalgamation.i [2023-11-21 19:02:23,441 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 19:02:23,441 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 19:02:23,486 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 19:02:23,494 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;@ced6276, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 19:02:23,494 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 19:02:23,499 INFO L276 IsEmpty]: Start isEmpty. Operand has 6 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:02:23,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 19:02:23,506 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:02:23,506 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2023-11-21 19:02:23,507 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 19:02:23,512 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:02:23,513 INFO L85 PathProgramCache]: Analyzing trace with hash 64003, now seen corresponding path program 1 times [2023-11-21 19:02:23,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:02:23,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513273967] [2023-11-21 19:02:23,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:02:23,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:02:23,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 19:02:23,622 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 19:02:23,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 19:02:23,657 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-21 19:02:23,659 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-21 19:02:23,661 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 19:02:23,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 19:02:23,668 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-21 19:02:23,673 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 19:02:23,689 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 07:02:23 BoogieIcfgContainer [2023-11-21 19:02:23,689 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 19:02:23,690 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 19:02:23,690 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 19:02:23,690 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 19:02:23,691 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:02:23" (3/4) ... [2023-11-21 19:02:23,694 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 19:02:23,695 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 19:02:23,697 INFO L158 Benchmark]: Toolchain (without parser) took 1970.53ms. Allocated memory was 182.5MB in the beginning and 220.2MB in the end (delta: 37.7MB). Free memory was 144.1MB in the beginning and 176.9MB in the end (delta: -32.8MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2023-11-21 19:02:23,697 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 130.0MB. Free memory is still 96.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 19:02:23,698 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1089.22ms. Allocated memory is still 182.5MB. Free memory was 144.1MB in the beginning and 96.1MB in the end (delta: 47.9MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2023-11-21 19:02:23,699 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.16ms. Allocated memory is still 182.5MB. Free memory was 96.1MB in the beginning and 93.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 19:02:23,700 INFO L158 Benchmark]: Boogie Preprocessor took 54.42ms. Allocated memory is still 182.5MB. Free memory was 93.4MB in the beginning and 91.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 19:02:23,701 INFO L158 Benchmark]: RCFGBuilder took 431.83ms. Allocated memory is still 182.5MB. Free memory was 91.9MB in the beginning and 148.3MB in the end (delta: -56.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 19:02:23,702 INFO L158 Benchmark]: TraceAbstraction took 290.62ms. Allocated memory was 182.5MB in the beginning and 220.2MB in the end (delta: 37.7MB). Free memory was 147.6MB in the beginning and 176.9MB in the end (delta: -29.2MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2023-11-21 19:02:23,702 INFO L158 Benchmark]: Witness Printer took 5.58ms. Allocated memory is still 220.2MB. Free memory is still 176.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 19:02:23,706 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 130.0MB. Free memory is still 96.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1089.22ms. Allocated memory is still 182.5MB. Free memory was 144.1MB in the beginning and 96.1MB in the end (delta: 47.9MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.16ms. Allocated memory is still 182.5MB. Free memory was 96.1MB in the beginning and 93.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.42ms. Allocated memory is still 182.5MB. Free memory was 93.4MB in the beginning and 91.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 431.83ms. Allocated memory is still 182.5MB. Free memory was 91.9MB in the beginning and 148.3MB in the end (delta: -56.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 290.62ms. Allocated memory was 182.5MB in the beginning and 220.2MB in the end (delta: 37.7MB). Free memory was 147.6MB in the beginning and 176.9MB in the end (delta: -29.2MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. * Witness Printer took 5.58ms. Allocated memory is still 220.2MB. Free memory is still 176.9MB. 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: 850]: 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 cosf at line 849, overapproximation of someBinaryFLOATComparisonOperation at line 850. Possible FailurePath: [L847] float x = __VERIFIER_nondet_float(); [L848] EXPR !__builtin_isnan (x) && !__builtin_isinf_sign (x) [L848] EXPR !__builtin_isnan (x) && !__builtin_isinf_sign (x) [L848] COND FALSE !(!(!__builtin_isnan (x) && !__builtin_isinf_sign (x))) [L849] float y = cosf(x); [L850] COND TRUE !(__builtin_islessequal(y, 1.0f)) [L850] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, 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=6occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-21 19:02:23,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc350a0a-776d-4f90-8d13-eb3ada29728f/bin/utaipan-verify-QoSU8krkJ5/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_cc350a0a-776d-4f90-8d13-eb3ada29728f/bin/utaipan-verify-QoSU8krkJ5/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc350a0a-776d-4f90-8d13-eb3ada29728f/bin/utaipan-verify-QoSU8krkJ5/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc350a0a-776d-4f90-8d13-eb3ada29728f/bin/utaipan-verify-QoSU8krkJ5/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc350a0a-776d-4f90-8d13-eb3ada29728f/bin/utaipan-verify-QoSU8krkJ5/config/TaipanReach.xml -i ../../sv-benchmarks/c/neural-networks/cos_1_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc350a0a-776d-4f90-8d13-eb3ada29728f/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc350a0a-776d-4f90-8d13-eb3ada29728f/bin/utaipan-verify-QoSU8krkJ5 --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 41410d16aeef06bed2b12db0787edc3f23e46b813b70285dbe9664c74b764df5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 19:02:26,466 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 19:02:26,599 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc350a0a-776d-4f90-8d13-eb3ada29728f/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-21 19:02:26,609 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 19:02:26,610 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 19:02:26,656 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 19:02:26,657 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 19:02:26,658 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 19:02:26,658 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 19:02:26,663 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 19:02:26,664 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-21 19:02:26,664 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-21 19:02:26,665 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-21 19:02:26,666 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-21 19:02:26,667 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-21 19:02:26,667 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-21 19:02:26,668 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 19:02:26,669 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 19:02:26,669 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 19:02:26,670 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 19:02:26,670 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 19:02:26,671 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 19:02:26,671 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 19:02:26,672 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 19:02:26,672 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 19:02:26,672 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 19:02:26,673 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 19:02:26,673 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 19:02:26,673 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 19:02:26,674 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 19:02:26,675 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 19:02:26,675 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 19:02:26,676 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 19:02:26,676 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 19:02:26,676 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:02:26,677 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 19:02:26,677 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 19:02:26,677 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 19:02:26,677 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 19:02:26,678 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 19:02:26,678 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 19:02:26,679 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 19:02:26,679 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-21 19:02:26,679 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 19:02:26,680 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_cc350a0a-776d-4f90-8d13-eb3ada29728f/bin/utaipan-verify-QoSU8krkJ5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc350a0a-776d-4f90-8d13-eb3ada29728f/bin/utaipan-verify-QoSU8krkJ5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41410d16aeef06bed2b12db0787edc3f23e46b813b70285dbe9664c74b764df5 [2023-11-21 19:02:27,103 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 19:02:27,124 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 19:02:27,127 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 19:02:27,129 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 19:02:27,129 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 19:02:27,131 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc350a0a-776d-4f90-8d13-eb3ada29728f/bin/utaipan-verify-QoSU8krkJ5/../../sv-benchmarks/c/neural-networks/cos_1_safe.c-amalgamation.i [2023-11-21 19:02:30,302 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 19:02:30,657 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 19:02:30,657 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc350a0a-776d-4f90-8d13-eb3ada29728f/sv-benchmarks/c/neural-networks/cos_1_safe.c-amalgamation.i [2023-11-21 19:02:30,680 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc350a0a-776d-4f90-8d13-eb3ada29728f/bin/utaipan-verify-QoSU8krkJ5/data/4cc0d7625/494bdc97c7db475fbe6ea8a62dd45cc7/FLAGe2e23bd8f [2023-11-21 19:02:30,695 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc350a0a-776d-4f90-8d13-eb3ada29728f/bin/utaipan-verify-QoSU8krkJ5/data/4cc0d7625/494bdc97c7db475fbe6ea8a62dd45cc7 [2023-11-21 19:02:30,698 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 19:02:30,699 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 19:02:30,701 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 19:02:30,701 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 19:02:30,706 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 19:02:30,707 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:02:30" (1/1) ... [2023-11-21 19:02:30,708 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@134d9008 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:02:30, skipping insertion in model container [2023-11-21 19:02:30,708 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:02:30" (1/1) ... [2023-11-21 19:02:30,764 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 19:02:31,031 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 19:02:31,413 WARN L635 FunctionHandler]: implicit declaration of function __builtin_isnan [2023-11-21 19:02:31,414 WARN L635 FunctionHandler]: implicit declaration of function __builtin_isinf_sign [2023-11-21 19:02:31,417 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_cc350a0a-776d-4f90-8d13-eb3ada29728f/sv-benchmarks/c/neural-networks/cos_1_safe.c-amalgamation.i[63024,63037] [2023-11-21 19:02:31,421 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 19:02:31,443 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 19:02:31,463 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 19:02:31,504 WARN L635 FunctionHandler]: implicit declaration of function __builtin_isnan [2023-11-21 19:02:31,505 WARN L635 FunctionHandler]: implicit declaration of function __builtin_isinf_sign [2023-11-21 19:02:31,506 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_cc350a0a-776d-4f90-8d13-eb3ada29728f/sv-benchmarks/c/neural-networks/cos_1_safe.c-amalgamation.i[63024,63037] [2023-11-21 19:02:31,507 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 19:02:31,650 WARN L675 CHandler]: The function __builtin_isnan is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 19:02:31,651 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 19:02:31,651 WARN L675 CHandler]: The function __builtin_isinf_sign is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 19:02:31,659 INFO L206 MainTranslator]: Completed translation [2023-11-21 19:02:31,659 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:02:31 WrapperNode [2023-11-21 19:02:31,660 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 19:02:31,661 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 19:02:31,661 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 19:02:31,661 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 19:02:31,670 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:02:31" (1/1) ... [2023-11-21 19:02:31,710 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:02:31" (1/1) ... [2023-11-21 19:02:31,739 INFO L138 Inliner]: procedures = 561, calls = 16, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 38 [2023-11-21 19:02:31,740 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 19:02:31,740 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 19:02:31,740 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 19:02:31,741 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 19:02:31,749 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:02:31" (1/1) ... [2023-11-21 19:02:31,749 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:02:31" (1/1) ... [2023-11-21 19:02:31,753 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:02:31" (1/1) ... [2023-11-21 19:02:31,753 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:02:31" (1/1) ... [2023-11-21 19:02:31,760 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:02:31" (1/1) ... [2023-11-21 19:02:31,762 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:02:31" (1/1) ... [2023-11-21 19:02:31,764 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:02:31" (1/1) ... [2023-11-21 19:02:31,765 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:02:31" (1/1) ... [2023-11-21 19:02:31,779 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 19:02:31,780 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 19:02:31,781 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 19:02:31,781 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 19:02:31,783 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:02:31" (1/1) ... [2023-11-21 19:02:31,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:02:31,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc350a0a-776d-4f90-8d13-eb3ada29728f/bin/utaipan-verify-QoSU8krkJ5/z3 [2023-11-21 19:02:31,816 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc350a0a-776d-4f90-8d13-eb3ada29728f/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 19:02:31,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc350a0a-776d-4f90-8d13-eb3ada29728f/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 19:02:31,874 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_isinf_sign [2023-11-21 19:02:31,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 19:02:31,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 19:02:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 19:02:31,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 19:02:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_isnan [2023-11-21 19:02:32,037 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 19:02:32,040 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 19:02:32,198 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 19:02:32,315 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 19:02:32,315 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 19:02:32,317 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:02:32 BoogieIcfgContainer [2023-11-21 19:02:32,317 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 19:02:32,319 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 19:02:32,319 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 19:02:32,322 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 19:02:32,323 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 07:02:30" (1/3) ... [2023-11-21 19:02:32,323 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28bd8780 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 07:02:32, skipping insertion in model container [2023-11-21 19:02:32,324 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:02:31" (2/3) ... [2023-11-21 19:02:32,324 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28bd8780 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 07:02:32, skipping insertion in model container [2023-11-21 19:02:32,324 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:02:32" (3/3) ... [2023-11-21 19:02:32,326 INFO L112 eAbstractionObserver]: Analyzing ICFG cos_1_safe.c-amalgamation.i [2023-11-21 19:02:32,344 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 19:02:32,344 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 19:02:32,391 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 19:02:32,400 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;@23d366df, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 19:02:32,400 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 19:02:32,404 INFO L276 IsEmpty]: Start isEmpty. Operand has 6 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:02:32,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 19:02:32,410 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:02:32,411 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2023-11-21 19:02:32,412 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 19:02:32,418 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:02:32,419 INFO L85 PathProgramCache]: Analyzing trace with hash 64003, now seen corresponding path program 1 times [2023-11-21 19:02:32,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-21 19:02:32,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [602579796] [2023-11-21 19:02:32,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:02:32,432 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-21 19:02:32,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc350a0a-776d-4f90-8d13-eb3ada29728f/bin/utaipan-verify-QoSU8krkJ5/mathsat [2023-11-21 19:02:32,438 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc350a0a-776d-4f90-8d13-eb3ada29728f/bin/utaipan-verify-QoSU8krkJ5/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-21 19:02:32,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc350a0a-776d-4f90-8d13-eb3ada29728f/bin/utaipan-verify-QoSU8krkJ5/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-21 19:02:32,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 19:02:32,542 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 19:02:32,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 19:02:32,583 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2023-11-21 19:02:32,585 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-21 19:02:32,586 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 19:02:32,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc350a0a-776d-4f90-8d13-eb3ada29728f/bin/utaipan-verify-QoSU8krkJ5/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-21 19:02:32,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc350a0a-776d-4f90-8d13-eb3ada29728f/bin/utaipan-verify-QoSU8krkJ5/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-21 19:02:32,797 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-21 19:02:32,805 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 19:02:32,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 07:02:32 BoogieIcfgContainer [2023-11-21 19:02:32,832 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 19:02:32,835 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 19:02:32,835 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 19:02:32,835 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 19:02:32,836 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:02:32" (3/4) ... [2023-11-21 19:02:32,838 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 19:02:32,839 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 19:02:32,841 INFO L158 Benchmark]: Toolchain (without parser) took 2141.37ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 40.9MB in the beginning and 37.0MB in the end (delta: 3.9MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. [2023-11-21 19:02:32,842 INFO L158 Benchmark]: CDTParser took 1.33ms. Allocated memory is still 67.1MB. Free memory is still 42.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 19:02:32,843 INFO L158 Benchmark]: CACSL2BoogieTranslator took 959.69ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 40.6MB in the beginning and 41.7MB in the end (delta: -1.1MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2023-11-21 19:02:32,844 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.58ms. Allocated memory is still 88.1MB. Free memory was 41.7MB in the beginning and 38.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 19:02:32,849 INFO L158 Benchmark]: Boogie Preprocessor took 39.39ms. Allocated memory is still 88.1MB. Free memory was 38.8MB in the beginning and 37.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 19:02:32,851 INFO L158 Benchmark]: RCFGBuilder took 536.51ms. Allocated memory is still 88.1MB. Free memory was 37.5MB in the beginning and 50.1MB in the end (delta: -12.6MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. [2023-11-21 19:02:32,852 INFO L158 Benchmark]: TraceAbstraction took 513.04ms. Allocated memory is still 88.1MB. Free memory was 49.6MB in the beginning and 37.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 19:02:32,853 INFO L158 Benchmark]: Witness Printer took 4.77ms. Allocated memory is still 88.1MB. Free memory is still 37.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 19:02:32,861 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.33ms. Allocated memory is still 67.1MB. Free memory is still 42.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 959.69ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 40.6MB in the beginning and 41.7MB in the end (delta: -1.1MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.58ms. Allocated memory is still 88.1MB. Free memory was 41.7MB in the beginning and 38.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.39ms. Allocated memory is still 88.1MB. Free memory was 38.8MB in the beginning and 37.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 536.51ms. Allocated memory is still 88.1MB. Free memory was 37.5MB in the beginning and 50.1MB in the end (delta: -12.6MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. * TraceAbstraction took 513.04ms. Allocated memory is still 88.1MB. Free memory was 49.6MB in the beginning and 37.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 4.77ms. Allocated memory is still 88.1MB. Free memory is still 37.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 850]: 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 cosf at line 849. Possible FailurePath: [L847] float x = __VERIFIER_nondet_float(); [L848] EXPR !__builtin_isnan (x) && !__builtin_isinf_sign (x) [L848] EXPR !__builtin_isnan (x) && !__builtin_isinf_sign (x) [L848] COND FALSE !(!(!__builtin_isnan (x) && !__builtin_isinf_sign (x))) [L849] float y = cosf(x); [L850] COND TRUE !(__builtin_islessequal(y, 1.0f)) VAL [y=2.0] [L850] reach_error() VAL [y=2.0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, 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=6occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-21 19:02:32,905 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc350a0a-776d-4f90-8d13-eb3ada29728f/bin/utaipan-verify-QoSU8krkJ5/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample