./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/square_7+soft_float_1-2a.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_f96d6af2-a874-43d9-a835-4d89491f0183/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96d6af2-a874-43d9-a835-4d89491f0183/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96d6af2-a874-43d9-a835-4d89491f0183/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96d6af2-a874-43d9-a835-4d89491f0183/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_7+soft_float_1-2a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96d6af2-a874-43d9-a835-4d89491f0183/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96d6af2-a874-43d9-a835-4d89491f0183/bin/ukojak-verify-G8NBE6pJGL --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 f460772fead60a1176aea731764c3b630060c5177c926c9899f5df040e824856 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:01:24,606 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:01:24,699 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96d6af2-a874-43d9-a835-4d89491f0183/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:01:24,708 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:01:24,709 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:01:24,760 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:01:24,762 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:01:24,763 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:01:24,764 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:01:24,770 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:01:24,772 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:01:24,773 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:01:24,774 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:01:24,776 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:01:24,777 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:01:24,777 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:01:24,778 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:01:24,779 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:01:24,779 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:01:24,780 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:01:24,781 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:01:24,782 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:01:24,782 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:01:24,785 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:01:24,786 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:01:24,787 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:01:24,788 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:01:24,788 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:01:24,789 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:01:24,790 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:01:24,792 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:01:24,792 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:01:24,793 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:01:24,793 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_f96d6af2-a874-43d9-a835-4d89491f0183/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96d6af2-a874-43d9-a835-4d89491f0183/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f460772fead60a1176aea731764c3b630060c5177c926c9899f5df040e824856 [2023-11-19 04:01:25,195 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:01:25,236 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:01:25,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:01:25,242 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:01:25,243 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:01:25,245 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96d6af2-a874-43d9-a835-4d89491f0183/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/square_7+soft_float_1-2a.c.cil.c [2023-11-19 04:01:28,538 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:01:28,852 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:01:28,852 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96d6af2-a874-43d9-a835-4d89491f0183/sv-benchmarks/c/combinations/square_7+soft_float_1-2a.c.cil.c [2023-11-19 04:01:28,863 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96d6af2-a874-43d9-a835-4d89491f0183/bin/ukojak-verify-G8NBE6pJGL/data/8030d3dd7/d647eee2fbae47fdbd4d8ef14ee93f78/FLAGf155d6938 [2023-11-19 04:01:28,878 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96d6af2-a874-43d9-a835-4d89491f0183/bin/ukojak-verify-G8NBE6pJGL/data/8030d3dd7/d647eee2fbae47fdbd4d8ef14ee93f78 [2023-11-19 04:01:28,881 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:01:28,882 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:01:28,884 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:01:28,884 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:01:28,891 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:01:28,892 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:01:28" (1/1) ... [2023-11-19 04:01:28,894 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ef4cd22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:28, skipping insertion in model container [2023-11-19 04:01:28,895 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:01:28" (1/1) ... [2023-11-19 04:01:28,962 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:01:29,191 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_f96d6af2-a874-43d9-a835-4d89491f0183/sv-benchmarks/c/combinations/square_7+soft_float_1-2a.c.cil.c[1995,2008] [2023-11-19 04:01:29,199 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_f96d6af2-a874-43d9-a835-4d89491f0183/sv-benchmarks/c/combinations/square_7+soft_float_1-2a.c.cil.c[2389,2402] [2023-11-19 04:01:29,291 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:01:29,305 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:01:29,333 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_f96d6af2-a874-43d9-a835-4d89491f0183/sv-benchmarks/c/combinations/square_7+soft_float_1-2a.c.cil.c[1995,2008] [2023-11-19 04:01:29,337 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_f96d6af2-a874-43d9-a835-4d89491f0183/sv-benchmarks/c/combinations/square_7+soft_float_1-2a.c.cil.c[2389,2402] [2023-11-19 04:01:29,396 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:01:29,413 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:01:29,414 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:29 WrapperNode [2023-11-19 04:01:29,414 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:01:29,415 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:01:29,415 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:01:29,416 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:01:29,424 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:29" (1/1) ... [2023-11-19 04:01:29,437 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:29" (1/1) ... [2023-11-19 04:01:29,471 INFO L138 Inliner]: procedures = 27, calls = 20, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 210 [2023-11-19 04:01:29,472 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:01:29,473 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:01:29,473 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:01:29,473 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:01:29,484 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:29" (1/1) ... [2023-11-19 04:01:29,484 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:29" (1/1) ... [2023-11-19 04:01:29,487 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:29" (1/1) ... [2023-11-19 04:01:29,488 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:29" (1/1) ... [2023-11-19 04:01:29,496 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:29" (1/1) ... [2023-11-19 04:01:29,501 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:29" (1/1) ... [2023-11-19 04:01:29,504 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:29" (1/1) ... [2023-11-19 04:01:29,506 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:29" (1/1) ... [2023-11-19 04:01:29,510 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:01:29,511 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:01:29,511 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:01:29,511 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:01:29,512 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:29" (1/1) ... [2023-11-19 04:01:29,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:01:29,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96d6af2-a874-43d9-a835-4d89491f0183/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:01:29,563 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96d6af2-a874-43d9-a835-4d89491f0183/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:01:29,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96d6af2-a874-43d9-a835-4d89491f0183/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:01:29,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:01:29,614 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-19 04:01:29,614 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-19 04:01:29,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:01:29,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:01:29,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:01:29,616 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 04:01:29,616 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 04:01:29,738 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:01:29,741 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:01:30,329 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:01:30,552 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:01:30,552 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 04:01:30,569 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:01:30 BoogieIcfgContainer [2023-11-19 04:01:30,569 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:01:30,571 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:01:30,571 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:01:30,584 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:01:30,584 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:01:30" (1/1) ... [2023-11-19 04:01:30,596 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:01:30,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:30,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 51 states and 75 transitions. [2023-11-19 04:01:30,679 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 75 transitions. [2023-11-19 04:01:30,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 04:01:30,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:30,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:30,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:01:30,796 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:01:30,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:01:30,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:01:30,854 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:01:30,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:01:30,882 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 04:01:30,920 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 04:01:30 ImpRootNode [2023-11-19 04:01:30,921 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 04:01:30,921 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:01:30,921 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:01:30,922 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:01:30,922 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:01:30" (3/4) ... [2023-11-19 04:01:30,925 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:01:30,926 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:01:30,927 INFO L158 Benchmark]: Toolchain (without parser) took 2044.31ms. Allocated memory was 115.3MB in the beginning and 144.7MB in the end (delta: 29.4MB). Free memory was 75.8MB in the beginning and 103.1MB in the end (delta: -27.2MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2023-11-19 04:01:30,928 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 115.3MB. Free memory is still 87.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:01:30,928 INFO L158 Benchmark]: CACSL2BoogieTranslator took 530.49ms. Allocated memory is still 115.3MB. Free memory was 75.5MB in the beginning and 60.5MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 04:01:30,929 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.92ms. Allocated memory is still 115.3MB. Free memory was 60.5MB in the beginning and 58.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:01:30,930 INFO L158 Benchmark]: Boogie Preprocessor took 37.38ms. Allocated memory is still 115.3MB. Free memory was 58.1MB in the beginning and 56.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:01:30,931 INFO L158 Benchmark]: RCFGBuilder took 1058.75ms. Allocated memory was 115.3MB in the beginning and 144.7MB in the end (delta: 29.4MB). Free memory was 56.3MB in the beginning and 115.7MB in the end (delta: -59.3MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2023-11-19 04:01:30,932 INFO L158 Benchmark]: CodeCheck took 349.67ms. Allocated memory is still 144.7MB. Free memory was 115.7MB in the beginning and 104.1MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 04:01:30,932 INFO L158 Benchmark]: Witness Printer took 4.84ms. Allocated memory is still 144.7MB. Free memory was 104.1MB in the beginning and 103.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:01:30,948 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, 51 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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: [L403] COND TRUE __VERIFIER_nondet_int() [L404] 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 0.46ms. Allocated memory is still 115.3MB. Free memory is still 87.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 530.49ms. Allocated memory is still 115.3MB. Free memory was 75.5MB in the beginning and 60.5MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.92ms. Allocated memory is still 115.3MB. Free memory was 60.5MB in the beginning and 58.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.38ms. Allocated memory is still 115.3MB. Free memory was 58.1MB in the beginning and 56.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1058.75ms. Allocated memory was 115.3MB in the beginning and 144.7MB in the end (delta: 29.4MB). Free memory was 56.3MB in the beginning and 115.7MB in the end (delta: -59.3MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. * CodeCheck took 349.67ms. Allocated memory is still 144.7MB. Free memory was 115.7MB in the beginning and 104.1MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 4.84ms. Allocated memory is still 144.7MB. Free memory was 104.1MB in the beginning and 103.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 04:01:30,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96d6af2-a874-43d9-a835-4d89491f0183/bin/ukojak-verify-G8NBE6pJGL/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_f96d6af2-a874-43d9-a835-4d89491f0183/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96d6af2-a874-43d9-a835-4d89491f0183/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96d6af2-a874-43d9-a835-4d89491f0183/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96d6af2-a874-43d9-a835-4d89491f0183/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_7+soft_float_1-2a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96d6af2-a874-43d9-a835-4d89491f0183/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96d6af2-a874-43d9-a835-4d89491f0183/bin/ukojak-verify-G8NBE6pJGL --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 f460772fead60a1176aea731764c3b630060c5177c926c9899f5df040e824856 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:01:33,791 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:01:33,919 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96d6af2-a874-43d9-a835-4d89491f0183/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 04:01:33,973 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:01:33,975 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:01:33,976 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:01:33,977 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:01:33,977 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:01:33,978 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:01:33,983 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:01:33,984 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:01:33,984 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:01:33,984 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:01:33,986 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:01:33,987 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:01:33,987 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:01:33,987 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:01:33,988 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:01:33,988 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:01:33,989 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:01:33,989 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:01:33,990 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:01:33,990 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:01:33,991 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:01:33,991 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:01:33,992 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:01:33,992 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 04:01:33,993 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:01:33,993 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:01:33,994 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:01:33,995 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:01:33,995 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:01:33,996 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:01:33,996 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:01:33,996 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:01:33,997 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 04:01:33,997 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:01:33,997 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_f96d6af2-a874-43d9-a835-4d89491f0183/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96d6af2-a874-43d9-a835-4d89491f0183/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f460772fead60a1176aea731764c3b630060c5177c926c9899f5df040e824856 [2023-11-19 04:01:34,394 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:01:34,417 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:01:34,419 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:01:34,421 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:01:34,421 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:01:34,423 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96d6af2-a874-43d9-a835-4d89491f0183/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/square_7+soft_float_1-2a.c.cil.c [2023-11-19 04:01:37,569 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:01:37,897 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:01:37,898 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96d6af2-a874-43d9-a835-4d89491f0183/sv-benchmarks/c/combinations/square_7+soft_float_1-2a.c.cil.c [2023-11-19 04:01:37,914 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96d6af2-a874-43d9-a835-4d89491f0183/bin/ukojak-verify-G8NBE6pJGL/data/56c159b2d/004ecf29e75c41a9b07faa93cfd8e177/FLAGb3a16bb7e [2023-11-19 04:01:37,929 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96d6af2-a874-43d9-a835-4d89491f0183/bin/ukojak-verify-G8NBE6pJGL/data/56c159b2d/004ecf29e75c41a9b07faa93cfd8e177 [2023-11-19 04:01:37,931 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:01:37,933 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:01:37,934 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:01:37,934 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:01:37,940 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:01:37,940 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:01:37" (1/1) ... [2023-11-19 04:01:37,942 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1496d64d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:37, skipping insertion in model container [2023-11-19 04:01:37,942 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:01:37" (1/1) ... [2023-11-19 04:01:37,981 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:01:38,213 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_f96d6af2-a874-43d9-a835-4d89491f0183/sv-benchmarks/c/combinations/square_7+soft_float_1-2a.c.cil.c[1995,2008] [2023-11-19 04:01:38,222 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_f96d6af2-a874-43d9-a835-4d89491f0183/sv-benchmarks/c/combinations/square_7+soft_float_1-2a.c.cil.c[2389,2402] [2023-11-19 04:01:38,321 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:01:38,350 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:01:38,385 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_f96d6af2-a874-43d9-a835-4d89491f0183/sv-benchmarks/c/combinations/square_7+soft_float_1-2a.c.cil.c[1995,2008] [2023-11-19 04:01:38,387 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_f96d6af2-a874-43d9-a835-4d89491f0183/sv-benchmarks/c/combinations/square_7+soft_float_1-2a.c.cil.c[2389,2402] [2023-11-19 04:01:38,425 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:01:38,449 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:01:38,450 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:38 WrapperNode [2023-11-19 04:01:38,450 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:01:38,455 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:01:38,456 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:01:38,456 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:01:38,465 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:38" (1/1) ... [2023-11-19 04:01:38,504 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:38" (1/1) ... [2023-11-19 04:01:38,547 INFO L138 Inliner]: procedures = 28, calls = 20, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 170 [2023-11-19 04:01:38,547 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:01:38,549 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:01:38,549 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:01:38,549 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:01:38,559 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:38" (1/1) ... [2023-11-19 04:01:38,560 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:38" (1/1) ... [2023-11-19 04:01:38,578 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:38" (1/1) ... [2023-11-19 04:01:38,590 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:38" (1/1) ... [2023-11-19 04:01:38,600 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:38" (1/1) ... [2023-11-19 04:01:38,620 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:38" (1/1) ... [2023-11-19 04:01:38,622 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:38" (1/1) ... [2023-11-19 04:01:38,625 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:38" (1/1) ... [2023-11-19 04:01:38,632 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:01:38,636 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:01:38,637 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:01:38,637 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:01:38,638 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:38" (1/1) ... [2023-11-19 04:01:38,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:01:38,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96d6af2-a874-43d9-a835-4d89491f0183/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:01:38,673 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96d6af2-a874-43d9-a835-4d89491f0183/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:01:38,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96d6af2-a874-43d9-a835-4d89491f0183/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:01:38,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:01:38,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:01:38,743 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-19 04:01:38,744 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-19 04:01:38,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:01:38,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:01:38,744 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 04:01:38,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 04:01:38,877 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:01:38,880 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:01:49,663 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:01:49,826 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:01:49,827 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 04:01:49,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:01:49 BoogieIcfgContainer [2023-11-19 04:01:49,833 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:01:49,834 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:01:49,834 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:01:49,846 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:01:49,846 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:01:49" (1/1) ... [2023-11-19 04:01:49,857 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:01:49,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:49,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 51 states and 75 transitions. [2023-11-19 04:01:49,925 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 75 transitions. [2023-11-19 04:01:49,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 04:01:49,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:49,928 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:01:49,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96d6af2-a874-43d9-a835-4d89491f0183/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 04:01:49,935 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96d6af2-a874-43d9-a835-4d89491f0183/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:01:49,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f96d6af2-a874-43d9-a835-4d89491f0183/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process