./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/square_7+soft_float_3a.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec44edf5-bdcf-4cfe-8f92-c3e08b1415f7/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec44edf5-bdcf-4cfe-8f92-c3e08b1415f7/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec44edf5-bdcf-4cfe-8f92-c3e08b1415f7/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec44edf5-bdcf-4cfe-8f92-c3e08b1415f7/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_7+soft_float_3a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec44edf5-bdcf-4cfe-8f92-c3e08b1415f7/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec44edf5-bdcf-4cfe-8f92-c3e08b1415f7/bin/ukojak-verify-afCqCEvfdi --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bf0fb52bead8e180875472b49ad053a30663ea61c3025c1e008ec598b0fa4db0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:15:43,564 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:15:43,683 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec44edf5-bdcf-4cfe-8f92-c3e08b1415f7/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:15:43,693 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:15:43,694 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:15:43,729 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:15:43,731 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:15:43,732 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:15:43,733 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:15:43,738 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:15:43,739 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:15:43,740 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:15:43,740 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:15:43,742 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:15:43,743 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:15:43,743 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:15:43,744 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:15:43,744 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:15:43,745 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:15:43,745 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:15:43,746 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:15:43,746 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:15:43,747 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:15:43,748 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:15:43,748 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:15:43,749 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:15:43,749 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:15:43,750 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:15:43,750 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:15:43,751 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:15:43,752 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:15:43,753 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:15:43,753 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:15:43,753 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_ec44edf5-bdcf-4cfe-8f92-c3e08b1415f7/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec44edf5-bdcf-4cfe-8f92-c3e08b1415f7/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf0fb52bead8e180875472b49ad053a30663ea61c3025c1e008ec598b0fa4db0 [2023-11-24 22:15:44,047 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:15:44,078 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:15:44,081 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:15:44,082 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:15:44,083 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:15:44,084 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec44edf5-bdcf-4cfe-8f92-c3e08b1415f7/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/combinations/square_7+soft_float_3a.c.cil.c [2023-11-24 22:15:47,242 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:15:47,482 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:15:47,483 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec44edf5-bdcf-4cfe-8f92-c3e08b1415f7/sv-benchmarks/c/combinations/square_7+soft_float_3a.c.cil.c [2023-11-24 22:15:47,501 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec44edf5-bdcf-4cfe-8f92-c3e08b1415f7/bin/ukojak-verify-afCqCEvfdi/data/8457da110/1ab8b75ddb1641b2ad22d9054b255884/FLAG27f142cc0 [2023-11-24 22:15:47,516 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec44edf5-bdcf-4cfe-8f92-c3e08b1415f7/bin/ukojak-verify-afCqCEvfdi/data/8457da110/1ab8b75ddb1641b2ad22d9054b255884 [2023-11-24 22:15:47,518 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:15:47,519 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:15:47,521 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:15:47,521 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:15:47,527 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:15:47,528 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:15:47" (1/1) ... [2023-11-24 22:15:47,530 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11f91971 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:47, skipping insertion in model container [2023-11-24 22:15:47,531 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:15:47" (1/1) ... [2023-11-24 22:15:47,588 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:15:47,762 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_ec44edf5-bdcf-4cfe-8f92-c3e08b1415f7/sv-benchmarks/c/combinations/square_7+soft_float_3a.c.cil.c[1995,2008] [2023-11-24 22:15:47,768 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_ec44edf5-bdcf-4cfe-8f92-c3e08b1415f7/sv-benchmarks/c/combinations/square_7+soft_float_3a.c.cil.c[2364,2377] [2023-11-24 22:15:47,817 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:15:47,828 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:15:47,852 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_ec44edf5-bdcf-4cfe-8f92-c3e08b1415f7/sv-benchmarks/c/combinations/square_7+soft_float_3a.c.cil.c[1995,2008] [2023-11-24 22:15:47,858 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_ec44edf5-bdcf-4cfe-8f92-c3e08b1415f7/sv-benchmarks/c/combinations/square_7+soft_float_3a.c.cil.c[2364,2377] [2023-11-24 22:15:47,914 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:15:47,937 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:15:47,938 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:47 WrapperNode [2023-11-24 22:15:47,938 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:15:47,939 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:15:47,939 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:15:47,940 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:15:47,947 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:47" (1/1) ... [2023-11-24 22:15:47,957 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:47" (1/1) ... [2023-11-24 22:15:47,989 INFO L138 Inliner]: procedures = 27, calls = 17, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 169 [2023-11-24 22:15:47,989 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:15:47,990 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:15:47,990 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:15:47,991 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:15:48,001 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:47" (1/1) ... [2023-11-24 22:15:48,001 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:47" (1/1) ... [2023-11-24 22:15:48,004 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:47" (1/1) ... [2023-11-24 22:15:48,004 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:47" (1/1) ... [2023-11-24 22:15:48,013 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:47" (1/1) ... [2023-11-24 22:15:48,020 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:47" (1/1) ... [2023-11-24 22:15:48,023 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:47" (1/1) ... [2023-11-24 22:15:48,025 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:47" (1/1) ... [2023-11-24 22:15:48,028 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:15:48,029 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:15:48,030 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:15:48,030 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:15:48,031 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:47" (1/1) ... [2023-11-24 22:15:48,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:15:48,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec44edf5-bdcf-4cfe-8f92-c3e08b1415f7/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:15:48,078 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec44edf5-bdcf-4cfe-8f92-c3e08b1415f7/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:15:48,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec44edf5-bdcf-4cfe-8f92-c3e08b1415f7/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:15:48,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:15:48,138 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-24 22:15:48,139 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-24 22:15:48,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:15:48,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:15:48,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:15:48,139 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:15:48,139 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:15:48,223 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:15:48,225 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:15:48,673 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:15:48,946 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:15:48,946 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:15:48,948 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:15:48 BoogieIcfgContainer [2023-11-24 22:15:48,948 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:15:48,950 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:15:48,950 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:15:48,962 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:15:48,962 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:15:48" (1/1) ... [2023-11-24 22:15:48,974 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:15:49,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:49,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 45 states and 65 transitions. [2023-11-24 22:15:49,027 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 65 transitions. [2023-11-24 22:15:49,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:15:49,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:49,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:49,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:15:49,126 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:15:49,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:15:49,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:15:49,190 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:15:49,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:15:49,213 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:15:49,247 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:15:49 ImpRootNode [2023-11-24 22:15:49,248 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:15:49,251 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:15:49,251 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:15:49,252 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:15:49,253 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:15:48" (3/4) ... [2023-11-24 22:15:49,257 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:15:49,258 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:15:49,260 INFO L158 Benchmark]: Toolchain (without parser) took 1739.45ms. Allocated memory is still 142.6MB. Free memory was 100.3MB in the beginning and 73.8MB in the end (delta: 26.4MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2023-11-24 22:15:49,260 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 111.1MB. Free memory was 65.0MB in the beginning and 64.9MB in the end (delta: 101.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:15:49,261 INFO L158 Benchmark]: CACSL2BoogieTranslator took 417.26ms. Allocated memory is still 142.6MB. Free memory was 100.0MB in the beginning and 85.5MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:15:49,262 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.32ms. Allocated memory is still 142.6MB. Free memory was 85.5MB in the beginning and 83.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:15:49,263 INFO L158 Benchmark]: Boogie Preprocessor took 38.41ms. Allocated memory is still 142.6MB. Free memory was 83.2MB in the beginning and 81.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:15:49,264 INFO L158 Benchmark]: RCFGBuilder took 918.75ms. Allocated memory is still 142.6MB. Free memory was 81.7MB in the beginning and 85.7MB in the end (delta: -4.0MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2023-11-24 22:15:49,266 INFO L158 Benchmark]: CodeCheck took 298.30ms. Allocated memory is still 142.6MB. Free memory was 85.1MB in the beginning and 73.8MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 22:15:49,266 INFO L158 Benchmark]: Witness Printer took 7.23ms. Allocated memory is still 142.6MB. Free memory was 73.8MB in the beginning and 73.8MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:15:49,274 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 45 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, 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: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 48]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 47, overapproximation of someBinaryArithmeticFLOAToperation at line 45. Possible FailurePath: [L320] COND TRUE __VERIFIER_nondet_int() [L321] CALL main1() [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L34] COND FALSE !(!cond) [L40] RET assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L42] float x = IN; [L44-L45] float result = 1.0f + 0.5f*x - 0.125f*x*x + 0.0625f*x*x*x - 0.0390625f*x*x*x*x; VAL [IN=2, x=2] [L47] COND TRUE !(result >= 0.0f && result < 1.4f) VAL [IN=2, x=2] [L48] reach_error() VAL [IN=2, x=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 111.1MB. Free memory was 65.0MB in the beginning and 64.9MB in the end (delta: 101.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 417.26ms. Allocated memory is still 142.6MB. Free memory was 100.0MB in the beginning and 85.5MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.32ms. Allocated memory is still 142.6MB. Free memory was 85.5MB in the beginning and 83.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.41ms. Allocated memory is still 142.6MB. Free memory was 83.2MB in the beginning and 81.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 918.75ms. Allocated memory is still 142.6MB. Free memory was 81.7MB in the beginning and 85.7MB in the end (delta: -4.0MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. * CodeCheck took 298.30ms. Allocated memory is still 142.6MB. Free memory was 85.1MB in the beginning and 73.8MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 7.23ms. Allocated memory is still 142.6MB. Free memory was 73.8MB in the beginning and 73.8MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 22:15:49,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec44edf5-bdcf-4cfe-8f92-c3e08b1415f7/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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_ec44edf5-bdcf-4cfe-8f92-c3e08b1415f7/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec44edf5-bdcf-4cfe-8f92-c3e08b1415f7/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec44edf5-bdcf-4cfe-8f92-c3e08b1415f7/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec44edf5-bdcf-4cfe-8f92-c3e08b1415f7/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_7+soft_float_3a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec44edf5-bdcf-4cfe-8f92-c3e08b1415f7/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec44edf5-bdcf-4cfe-8f92-c3e08b1415f7/bin/ukojak-verify-afCqCEvfdi --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bf0fb52bead8e180875472b49ad053a30663ea61c3025c1e008ec598b0fa4db0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:15:52,075 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:15:52,210 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec44edf5-bdcf-4cfe-8f92-c3e08b1415f7/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 22:15:52,262 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:15:52,264 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:15:52,265 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:15:52,266 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:15:52,267 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:15:52,268 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:15:52,274 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:15:52,274 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:15:52,275 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:15:52,275 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:15:52,277 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:15:52,277 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:15:52,278 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:15:52,278 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:15:52,278 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:15:52,279 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:15:52,280 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:15:52,280 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:15:52,281 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:15:52,281 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:15:52,282 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:15:52,282 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:15:52,283 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:15:52,283 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:15:52,283 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:15:52,284 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:15:52,284 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:15:52,286 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:15:52,286 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:15:52,286 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:15:52,287 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:15:52,287 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:15:52,287 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:15:52,287 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:15:52,288 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_ec44edf5-bdcf-4cfe-8f92-c3e08b1415f7/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec44edf5-bdcf-4cfe-8f92-c3e08b1415f7/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf0fb52bead8e180875472b49ad053a30663ea61c3025c1e008ec598b0fa4db0 [2023-11-24 22:15:52,713 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:15:52,735 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:15:52,738 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:15:52,740 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:15:52,740 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:15:52,742 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec44edf5-bdcf-4cfe-8f92-c3e08b1415f7/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/combinations/square_7+soft_float_3a.c.cil.c [2023-11-24 22:15:56,061 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:15:56,342 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:15:56,343 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec44edf5-bdcf-4cfe-8f92-c3e08b1415f7/sv-benchmarks/c/combinations/square_7+soft_float_3a.c.cil.c [2023-11-24 22:15:56,354 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec44edf5-bdcf-4cfe-8f92-c3e08b1415f7/bin/ukojak-verify-afCqCEvfdi/data/35e535156/35bea94b05ce41ec90c7c9f8aeda3af2/FLAGeafe33ca8 [2023-11-24 22:15:56,369 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec44edf5-bdcf-4cfe-8f92-c3e08b1415f7/bin/ukojak-verify-afCqCEvfdi/data/35e535156/35bea94b05ce41ec90c7c9f8aeda3af2 [2023-11-24 22:15:56,372 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:15:56,373 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:15:56,375 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:15:56,375 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:15:56,379 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:15:56,380 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:15:56" (1/1) ... [2023-11-24 22:15:56,381 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@715627b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:56, skipping insertion in model container [2023-11-24 22:15:56,381 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:15:56" (1/1) ... [2023-11-24 22:15:56,421 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:15:56,608 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_ec44edf5-bdcf-4cfe-8f92-c3e08b1415f7/sv-benchmarks/c/combinations/square_7+soft_float_3a.c.cil.c[1995,2008] [2023-11-24 22:15:56,614 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_ec44edf5-bdcf-4cfe-8f92-c3e08b1415f7/sv-benchmarks/c/combinations/square_7+soft_float_3a.c.cil.c[2364,2377] [2023-11-24 22:15:56,662 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:15:56,686 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:15:56,734 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_ec44edf5-bdcf-4cfe-8f92-c3e08b1415f7/sv-benchmarks/c/combinations/square_7+soft_float_3a.c.cil.c[1995,2008] [2023-11-24 22:15:56,761 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_ec44edf5-bdcf-4cfe-8f92-c3e08b1415f7/sv-benchmarks/c/combinations/square_7+soft_float_3a.c.cil.c[2364,2377] [2023-11-24 22:15:56,816 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:15:56,837 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:15:56,837 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:56 WrapperNode [2023-11-24 22:15:56,838 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:15:56,839 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:15:56,839 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:15:56,840 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:15:56,849 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:56" (1/1) ... [2023-11-24 22:15:56,864 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:56" (1/1) ... [2023-11-24 22:15:56,897 INFO L138 Inliner]: procedures = 28, calls = 17, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 134 [2023-11-24 22:15:56,897 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:15:56,898 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:15:56,898 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:15:56,899 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:15:56,909 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:56" (1/1) ... [2023-11-24 22:15:56,909 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:56" (1/1) ... [2023-11-24 22:15:56,915 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:56" (1/1) ... [2023-11-24 22:15:56,916 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:56" (1/1) ... [2023-11-24 22:15:56,928 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:56" (1/1) ... [2023-11-24 22:15:56,935 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:56" (1/1) ... [2023-11-24 22:15:56,938 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:56" (1/1) ... [2023-11-24 22:15:56,940 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:56" (1/1) ... [2023-11-24 22:15:56,949 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:15:56,950 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:15:56,951 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:15:56,951 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:15:56,952 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:56" (1/1) ... [2023-11-24 22:15:56,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:15:56,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec44edf5-bdcf-4cfe-8f92-c3e08b1415f7/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:15:57,007 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec44edf5-bdcf-4cfe-8f92-c3e08b1415f7/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:15:57,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec44edf5-bdcf-4cfe-8f92-c3e08b1415f7/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:15:57,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:15:57,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:15:57,064 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-24 22:15:57,064 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-24 22:15:57,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:15:57,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:15:57,064 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:15:57,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:15:57,153 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:15:57,155 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:16:07,864 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:16:07,954 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:16:07,954 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:16:07,960 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:16:07 BoogieIcfgContainer [2023-11-24 22:16:07,960 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:16:07,976 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:16:07,976 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:16:07,985 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:16:07,986 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:16:07" (1/1) ... [2023-11-24 22:16:07,995 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:16:08,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:08,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 45 states and 65 transitions. [2023-11-24 22:16:08,055 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 65 transitions. [2023-11-24 22:16:08,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:16:08,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:08,057 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:16:08,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec44edf5-bdcf-4cfe-8f92-c3e08b1415f7/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:16:08,060 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec44edf5-bdcf-4cfe-8f92-c3e08b1415f7/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:16:08,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec44edf5-bdcf-4cfe-8f92-c3e08b1415f7/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process