./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/square_2+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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e66bad34-d32f-434a-9c33-6bce6dff495c/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e66bad34-d32f-434a-9c33-6bce6dff495c/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e66bad34-d32f-434a-9c33-6bce6dff495c/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e66bad34-d32f-434a-9c33-6bce6dff495c/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_2+soft_float_3a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e66bad34-d32f-434a-9c33-6bce6dff495c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e66bad34-d32f-434a-9c33-6bce6dff495c/bin/ukojak-verify-Qdu7aM0XO9 --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 933072632c6a38270f958834ec21adc26eb3cd8e8e46c1ac850ead52e91fbd69 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:07:48,758 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:07:48,871 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e66bad34-d32f-434a-9c33-6bce6dff495c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 21:07:48,876 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:07:48,876 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:07:48,898 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:07:48,898 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:07:48,899 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:07:48,900 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:07:48,900 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:07:48,901 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:07:48,902 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:07:48,902 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:07:48,903 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:07:48,903 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:07:48,904 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:07:48,904 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:07:48,905 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:07:48,905 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:07:48,906 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:07:48,906 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:07:48,907 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:07:48,907 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:07:48,908 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:07:48,908 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:07:48,909 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:07:48,909 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:07:48,910 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:07:48,910 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:07:48,910 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:07:48,911 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:07:48,911 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:07:48,911 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:07:48,912 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_e66bad34-d32f-434a-9c33-6bce6dff495c/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e66bad34-d32f-434a-9c33-6bce6dff495c/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 933072632c6a38270f958834ec21adc26eb3cd8e8e46c1ac850ead52e91fbd69 [2023-12-02 21:07:49,130 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:07:49,148 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:07:49,151 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:07:49,152 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:07:49,152 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:07:49,153 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e66bad34-d32f-434a-9c33-6bce6dff495c/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/combinations/square_2+soft_float_3a.c.cil.c [2023-12-02 21:07:51,788 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:07:51,967 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:07:51,967 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e66bad34-d32f-434a-9c33-6bce6dff495c/sv-benchmarks/c/combinations/square_2+soft_float_3a.c.cil.c [2023-12-02 21:07:51,978 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e66bad34-d32f-434a-9c33-6bce6dff495c/bin/ukojak-verify-Qdu7aM0XO9/data/3f3f95fbb/de3c2a717ec74c318000acd68ccb2f4d/FLAG824108a8b [2023-12-02 21:07:51,990 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e66bad34-d32f-434a-9c33-6bce6dff495c/bin/ukojak-verify-Qdu7aM0XO9/data/3f3f95fbb/de3c2a717ec74c318000acd68ccb2f4d [2023-12-02 21:07:51,993 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:07:51,994 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:07:51,996 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:07:51,996 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:07:52,000 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:07:52,000 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:07:51" (1/1) ... [2023-12-02 21:07:52,002 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b419029 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:52, skipping insertion in model container [2023-12-02 21:07:52,002 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:07:51" (1/1) ... [2023-12-02 21:07:52,034 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:07:52,169 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_e66bad34-d32f-434a-9c33-6bce6dff495c/sv-benchmarks/c/combinations/square_2+soft_float_3a.c.cil.c[1997,2010] [2023-12-02 21:07:52,182 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_e66bad34-d32f-434a-9c33-6bce6dff495c/sv-benchmarks/c/combinations/square_2+soft_float_3a.c.cil.c[2366,2379] [2023-12-02 21:07:52,252 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:07:52,260 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:07:52,273 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_e66bad34-d32f-434a-9c33-6bce6dff495c/sv-benchmarks/c/combinations/square_2+soft_float_3a.c.cil.c[1997,2010] [2023-12-02 21:07:52,274 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_e66bad34-d32f-434a-9c33-6bce6dff495c/sv-benchmarks/c/combinations/square_2+soft_float_3a.c.cil.c[2366,2379] [2023-12-02 21:07:52,300 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:07:52,313 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:07:52,314 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:52 WrapperNode [2023-12-02 21:07:52,314 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:07:52,315 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:07:52,315 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:07:52,315 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:07:52,320 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:52" (1/1) ... [2023-12-02 21:07:52,330 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:52" (1/1) ... [2023-12-02 21:07:52,356 INFO L138 Inliner]: procedures = 27, calls = 17, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 169 [2023-12-02 21:07:52,357 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:07:52,358 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:07:52,358 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:07:52,358 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:07:52,367 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:52" (1/1) ... [2023-12-02 21:07:52,367 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:52" (1/1) ... [2023-12-02 21:07:52,370 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:52" (1/1) ... [2023-12-02 21:07:52,370 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:52" (1/1) ... [2023-12-02 21:07:52,378 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:52" (1/1) ... [2023-12-02 21:07:52,383 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:52" (1/1) ... [2023-12-02 21:07:52,385 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:52" (1/1) ... [2023-12-02 21:07:52,387 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:52" (1/1) ... [2023-12-02 21:07:52,390 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:07:52,391 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:07:52,391 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:07:52,392 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:07:52,392 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:52" (1/1) ... [2023-12-02 21:07:52,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:07:52,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e66bad34-d32f-434a-9c33-6bce6dff495c/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:07:52,425 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e66bad34-d32f-434a-9c33-6bce6dff495c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:07:52,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e66bad34-d32f-434a-9c33-6bce6dff495c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:07:52,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:07:52,455 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-12-02 21:07:52,455 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-12-02 21:07:52,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:07:52,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:07:52,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:07:52,455 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 21:07:52,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 21:07:52,535 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:07:52,538 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:07:52,875 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:07:53,038 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:07:53,039 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-02 21:07:53,040 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:07:53 BoogieIcfgContainer [2023-12-02 21:07:53,040 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:07:53,041 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:07:53,041 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:07:53,052 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:07:53,052 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:07:53" (1/1) ... [2023-12-02 21:07:53,061 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:07:53,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:07:53,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 45 states and 65 transitions. [2023-12-02 21:07:53,118 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 65 transitions. [2023-12-02 21:07:53,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 21:07:53,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:07:53,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:07:53,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:07:53,195 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:07:53,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:07:53,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:07:53,234 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:07:53,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:07:53,246 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 21:07:53,281 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:07:53 ImpRootNode [2023-12-02 21:07:53,282 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:07:53,282 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:07:53,283 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:07:53,283 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:07:53,283 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:07:53" (3/4) ... [2023-12-02 21:07:53,286 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 21:07:53,287 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:07:53,288 INFO L158 Benchmark]: Toolchain (without parser) took 1293.16ms. Allocated memory is still 163.6MB. Free memory was 128.9MB in the beginning and 130.8MB in the end (delta: -2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:07:53,288 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 115.3MB. Free memory is still 86.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:07:53,289 INFO L158 Benchmark]: CACSL2BoogieTranslator took 318.36ms. Allocated memory is still 163.6MB. Free memory was 128.6MB in the beginning and 130.5MB in the end (delta: -2.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 21:07:53,289 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.30ms. Allocated memory is still 163.6MB. Free memory was 130.5MB in the beginning and 128.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:07:53,290 INFO L158 Benchmark]: Boogie Preprocessor took 32.95ms. Allocated memory is still 163.6MB. Free memory was 128.4MB in the beginning and 126.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:07:53,290 INFO L158 Benchmark]: RCFGBuilder took 649.27ms. Allocated memory is still 163.6MB. Free memory was 126.3MB in the beginning and 85.8MB in the end (delta: 40.5MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-12-02 21:07:53,291 INFO L158 Benchmark]: CodeCheck took 240.54ms. Allocated memory is still 163.6MB. Free memory was 85.8MB in the beginning and 131.8MB in the end (delta: -46.0MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2023-12-02 21:07:53,292 INFO L158 Benchmark]: Witness Printer took 4.46ms. Allocated memory is still 163.6MB. Free memory was 131.8MB in the beginning and 130.8MB in the end (delta: 918.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:07:53,295 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 < 1.398f) 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 0.15ms. Allocated memory is still 115.3MB. Free memory is still 86.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 318.36ms. Allocated memory is still 163.6MB. Free memory was 128.6MB in the beginning and 130.5MB in the end (delta: -2.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.30ms. Allocated memory is still 163.6MB. Free memory was 130.5MB in the beginning and 128.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.95ms. Allocated memory is still 163.6MB. Free memory was 128.4MB in the beginning and 126.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 649.27ms. Allocated memory is still 163.6MB. Free memory was 126.3MB in the beginning and 85.8MB in the end (delta: 40.5MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * CodeCheck took 240.54ms. Allocated memory is still 163.6MB. Free memory was 85.8MB in the beginning and 131.8MB in the end (delta: -46.0MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. * Witness Printer took 4.46ms. Allocated memory is still 163.6MB. Free memory was 131.8MB in the beginning and 130.8MB in the end (delta: 918.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 21:07:53,314 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e66bad34-d32f-434a-9c33-6bce6dff495c/bin/ukojak-verify-Qdu7aM0XO9/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e66bad34-d32f-434a-9c33-6bce6dff495c/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e66bad34-d32f-434a-9c33-6bce6dff495c/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e66bad34-d32f-434a-9c33-6bce6dff495c/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e66bad34-d32f-434a-9c33-6bce6dff495c/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_2+soft_float_3a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e66bad34-d32f-434a-9c33-6bce6dff495c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e66bad34-d32f-434a-9c33-6bce6dff495c/bin/ukojak-verify-Qdu7aM0XO9 --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 933072632c6a38270f958834ec21adc26eb3cd8e8e46c1ac850ead52e91fbd69 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:07:55,246 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:07:55,325 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e66bad34-d32f-434a-9c33-6bce6dff495c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 21:07:55,358 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:07:55,359 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:07:55,359 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:07:55,360 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:07:55,361 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:07:55,362 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:07:55,362 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:07:55,363 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:07:55,363 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:07:55,364 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:07:55,364 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:07:55,365 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:07:55,365 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:07:55,366 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 21:07:55,366 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 21:07:55,367 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 21:07:55,367 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:07:55,368 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:07:55,368 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:07:55,369 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:07:55,369 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:07:55,370 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:07:55,370 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:07:55,371 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 21:07:55,371 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:07:55,372 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:07:55,372 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:07:55,373 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:07:55,373 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:07:55,373 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 21:07:55,374 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:07:55,374 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:07:55,374 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 21:07:55,374 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 21:07:55,375 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_e66bad34-d32f-434a-9c33-6bce6dff495c/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e66bad34-d32f-434a-9c33-6bce6dff495c/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 933072632c6a38270f958834ec21adc26eb3cd8e8e46c1ac850ead52e91fbd69 [2023-12-02 21:07:55,687 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:07:55,705 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:07:55,707 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:07:55,708 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:07:55,709 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:07:55,710 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e66bad34-d32f-434a-9c33-6bce6dff495c/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/combinations/square_2+soft_float_3a.c.cil.c [2023-12-02 21:07:58,493 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:07:58,694 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:07:58,694 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e66bad34-d32f-434a-9c33-6bce6dff495c/sv-benchmarks/c/combinations/square_2+soft_float_3a.c.cil.c [2023-12-02 21:07:58,704 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e66bad34-d32f-434a-9c33-6bce6dff495c/bin/ukojak-verify-Qdu7aM0XO9/data/690f4febd/e9d830e71fe3400fa6456ad6e5b38ee0/FLAG8122df3d7 [2023-12-02 21:07:58,718 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e66bad34-d32f-434a-9c33-6bce6dff495c/bin/ukojak-verify-Qdu7aM0XO9/data/690f4febd/e9d830e71fe3400fa6456ad6e5b38ee0 [2023-12-02 21:07:58,720 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:07:58,721 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:07:58,722 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:07:58,723 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:07:58,726 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:07:58,727 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:07:58" (1/1) ... [2023-12-02 21:07:58,728 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@284cf4f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:58, skipping insertion in model container [2023-12-02 21:07:58,728 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:07:58" (1/1) ... [2023-12-02 21:07:58,761 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:07:58,934 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_e66bad34-d32f-434a-9c33-6bce6dff495c/sv-benchmarks/c/combinations/square_2+soft_float_3a.c.cil.c[1997,2010] [2023-12-02 21:07:58,940 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_e66bad34-d32f-434a-9c33-6bce6dff495c/sv-benchmarks/c/combinations/square_2+soft_float_3a.c.cil.c[2366,2379] [2023-12-02 21:07:58,979 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:07:58,994 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:07:59,010 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_e66bad34-d32f-434a-9c33-6bce6dff495c/sv-benchmarks/c/combinations/square_2+soft_float_3a.c.cil.c[1997,2010] [2023-12-02 21:07:59,012 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_e66bad34-d32f-434a-9c33-6bce6dff495c/sv-benchmarks/c/combinations/square_2+soft_float_3a.c.cil.c[2366,2379] [2023-12-02 21:07:59,040 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:07:59,057 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:07:59,057 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:59 WrapperNode [2023-12-02 21:07:59,058 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:07:59,059 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:07:59,059 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:07:59,059 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:07:59,066 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:59" (1/1) ... [2023-12-02 21:07:59,079 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:59" (1/1) ... [2023-12-02 21:07:59,104 INFO L138 Inliner]: procedures = 28, calls = 17, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 134 [2023-12-02 21:07:59,104 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:07:59,105 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:07:59,105 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:07:59,105 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:07:59,114 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:59" (1/1) ... [2023-12-02 21:07:59,115 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:59" (1/1) ... [2023-12-02 21:07:59,120 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:59" (1/1) ... [2023-12-02 21:07:59,120 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:59" (1/1) ... [2023-12-02 21:07:59,129 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:59" (1/1) ... [2023-12-02 21:07:59,133 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:59" (1/1) ... [2023-12-02 21:07:59,136 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:59" (1/1) ... [2023-12-02 21:07:59,138 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:59" (1/1) ... [2023-12-02 21:07:59,143 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:07:59,144 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:07:59,144 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:07:59,144 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:07:59,145 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:59" (1/1) ... [2023-12-02 21:07:59,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:07:59,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e66bad34-d32f-434a-9c33-6bce6dff495c/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:07:59,174 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e66bad34-d32f-434a-9c33-6bce6dff495c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:07:59,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e66bad34-d32f-434a-9c33-6bce6dff495c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:07:59,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:07:59,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 21:07:59,209 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-12-02 21:07:59,209 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-12-02 21:07:59,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:07:59,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:07:59,210 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 21:07:59,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 21:07:59,291 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:07:59,294 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:08:09,778 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:08:09,853 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:08:09,853 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-02 21:08:09,855 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:08:09 BoogieIcfgContainer [2023-12-02 21:08:09,855 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:08:09,856 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:08:09,856 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:08:09,865 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:08:09,866 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:08:09" (1/1) ... [2023-12-02 21:08:09,875 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:08:09,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:08:09,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 45 states and 65 transitions. [2023-12-02 21:08:09,927 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 65 transitions. [2023-12-02 21:08:09,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 21:08:09,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:08:09,929 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:08:09,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e66bad34-d32f-434a-9c33-6bce6dff495c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:08:09,931 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e66bad34-d32f-434a-9c33-6bce6dff495c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:08:09,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e66bad34-d32f-434a-9c33-6bce6dff495c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 21:08:16,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:08:16,989 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:08:21,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat