./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_4+newton_1_1.i --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_4fe5e959-653f-43af-9c52-8c177d3b33f4/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fe5e959-653f-43af-9c52-8c177d3b33f4/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_4fe5e959-653f-43af-9c52-8c177d3b33f4/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fe5e959-653f-43af-9c52-8c177d3b33f4/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_4+newton_1_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fe5e959-653f-43af-9c52-8c177d3b33f4/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_4fe5e959-653f-43af-9c52-8c177d3b33f4/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 6350103920575a4c7a5643f51f7bc8e829a7fbf85ea9b0288d4dadd8696b7030 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:03:13,622 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:03:13,706 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fe5e959-653f-43af-9c52-8c177d3b33f4/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:03:13,711 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:03:13,711 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:03:13,734 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:03:13,735 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:03:13,736 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:03:13,737 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:03:13,737 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:03:13,738 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:03:13,738 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:03:13,739 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:03:13,739 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:03:13,740 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:03:13,740 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:03:13,741 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:03:13,741 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:03:13,742 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:03:13,742 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:03:13,747 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:03:13,748 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:03:13,748 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:03:13,749 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:03:13,749 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:03:13,750 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:03:13,750 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:03:13,751 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:03:13,751 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:03:13,752 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:03:13,753 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:03:13,753 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:03:13,754 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:03:13,754 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_4fe5e959-653f-43af-9c52-8c177d3b33f4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fe5e959-653f-43af-9c52-8c177d3b33f4/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6350103920575a4c7a5643f51f7bc8e829a7fbf85ea9b0288d4dadd8696b7030 [2023-11-19 04:03:14,054 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:03:14,086 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:03:14,089 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:03:14,090 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:03:14,092 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:03:14,094 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fe5e959-653f-43af-9c52-8c177d3b33f4/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/gcd_4+newton_1_1.i [2023-11-19 04:03:17,279 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:03:17,503 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:03:17,504 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fe5e959-653f-43af-9c52-8c177d3b33f4/sv-benchmarks/c/combinations/gcd_4+newton_1_1.i [2023-11-19 04:03:17,517 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fe5e959-653f-43af-9c52-8c177d3b33f4/bin/ukojak-verify-G8NBE6pJGL/data/2247bbe7e/7d12db9e69b54549933b03a22fe05135/FLAGd2290b579 [2023-11-19 04:03:17,535 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fe5e959-653f-43af-9c52-8c177d3b33f4/bin/ukojak-verify-G8NBE6pJGL/data/2247bbe7e/7d12db9e69b54549933b03a22fe05135 [2023-11-19 04:03:17,549 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:03:17,550 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:03:17,552 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:03:17,552 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:03:17,557 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:03:17,557 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:03:17" (1/1) ... [2023-11-19 04:03:17,558 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49e31fe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:17, skipping insertion in model container [2023-11-19 04:03:17,558 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:03:17" (1/1) ... [2023-11-19 04:03:17,620 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:03:17,776 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_4fe5e959-653f-43af-9c52-8c177d3b33f4/sv-benchmarks/c/combinations/gcd_4+newton_1_1.i[1224,1237] [2023-11-19 04:03:17,801 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_4fe5e959-653f-43af-9c52-8c177d3b33f4/sv-benchmarks/c/combinations/gcd_4+newton_1_1.i[2806,2819] [2023-11-19 04:03:17,803 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:03:17,813 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:03:17,827 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_4fe5e959-653f-43af-9c52-8c177d3b33f4/sv-benchmarks/c/combinations/gcd_4+newton_1_1.i[1224,1237] [2023-11-19 04:03:17,837 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_4fe5e959-653f-43af-9c52-8c177d3b33f4/sv-benchmarks/c/combinations/gcd_4+newton_1_1.i[2806,2819] [2023-11-19 04:03:17,839 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:03:17,859 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:03:17,860 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:17 WrapperNode [2023-11-19 04:03:17,860 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:03:17,861 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:03:17,861 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:03:17,861 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:03:17,869 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:17" (1/1) ... [2023-11-19 04:03:17,877 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:17" (1/1) ... [2023-11-19 04:03:17,902 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 82 [2023-11-19 04:03:17,903 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:03:17,903 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:03:17,904 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:03:17,904 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:03:17,914 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:17" (1/1) ... [2023-11-19 04:03:17,914 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:17" (1/1) ... [2023-11-19 04:03:17,916 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:17" (1/1) ... [2023-11-19 04:03:17,917 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:17" (1/1) ... [2023-11-19 04:03:17,924 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:17" (1/1) ... [2023-11-19 04:03:17,927 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:17" (1/1) ... [2023-11-19 04:03:17,929 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:17" (1/1) ... [2023-11-19 04:03:17,931 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:17" (1/1) ... [2023-11-19 04:03:17,933 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:03:17,934 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:03:17,935 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:03:17,935 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:03:17,936 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:17" (1/1) ... [2023-11-19 04:03:17,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:03:17,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fe5e959-653f-43af-9c52-8c177d3b33f4/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:03:17,971 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fe5e959-653f-43af-9c52-8c177d3b33f4/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:03:17,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fe5e959-653f-43af-9c52-8c177d3b33f4/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:03:18,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:03:18,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:03:18,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:03:18,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:03:18,016 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 04:03:18,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 04:03:18,114 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:03:18,116 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:03:18,472 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:03:18,584 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:03:18,585 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:03:18,590 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:03:18 BoogieIcfgContainer [2023-11-19 04:03:18,591 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:03:18,592 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:03:18,592 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:03:18,606 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:03:18,607 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:03:18" (1/1) ... [2023-11-19 04:03:18,619 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:03:18,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:18,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2023-11-19 04:03:18,693 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2023-11-19 04:03:18,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 04:03:18,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:18,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:18,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:03:18,803 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:03:18,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:03:18,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:03:18,864 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:03:18,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:03:18,882 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 04:03:18,903 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 04:03:18 ImpRootNode [2023-11-19 04:03:18,903 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 04:03:18,904 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:03:18,904 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:03:18,904 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:03:18,905 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:03:18" (3/4) ... [2023-11-19 04:03:18,907 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:03:18,908 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:03:18,909 INFO L158 Benchmark]: Toolchain (without parser) took 1358.11ms. Allocated memory is still 169.9MB. Free memory was 143.5MB in the beginning and 99.5MB in the end (delta: 44.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-19 04:03:18,909 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 119.5MB. Free memory is still 88.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:03:18,910 INFO L158 Benchmark]: CACSL2BoogieTranslator took 308.58ms. Allocated memory is still 169.9MB. Free memory was 143.5MB in the beginning and 131.7MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 04:03:18,911 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.77ms. Allocated memory is still 169.9MB. Free memory was 131.7MB in the beginning and 129.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:03:18,912 INFO L158 Benchmark]: Boogie Preprocessor took 30.18ms. Allocated memory is still 169.9MB. Free memory was 129.9MB in the beginning and 128.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:03:18,913 INFO L158 Benchmark]: RCFGBuilder took 656.50ms. Allocated memory is still 169.9MB. Free memory was 128.4MB in the beginning and 112.5MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 04:03:18,914 INFO L158 Benchmark]: CodeCheck took 311.03ms. Allocated memory is still 169.9MB. Free memory was 112.5MB in the beginning and 99.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 04:03:18,914 INFO L158 Benchmark]: Witness Printer took 4.40ms. Allocated memory is still 169.9MB. Free memory was 99.9MB in the beginning and 99.5MB in the end (delta: 409.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:03:18,924 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 2 procedures, 21 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: 109]: 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 98, overapproximation of someBinaryDOUBLEComparisonOperation at line 108, overapproximation of someBinaryArithmeticFLOAToperation at line 87. Possible FailurePath: [L115] COND FALSE !(__VERIFIER_nondet_int()) [L118] CALL main2() [L97] float IN = __VERIFIER_nondet_float(); [L98] CALL assume_abort_if_not(IN > -0.2f && IN < 0.2f) [L82] COND FALSE !(!cond) [L98] RET assume_abort_if_not(IN > -0.2f && IN < 0.2f) [L100] CALL, EXPR f(IN) [L87] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L100] RET, EXPR f(IN) [L100] CALL, EXPR fp(IN) [L92] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L100] RET, EXPR fp(IN) [L100] float x = IN - f(IN)/fp(IN); [L108] COND TRUE !(x < 0.1) [L109] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 119.5MB. Free memory is still 88.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 308.58ms. Allocated memory is still 169.9MB. Free memory was 143.5MB in the beginning and 131.7MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.77ms. Allocated memory is still 169.9MB. Free memory was 131.7MB in the beginning and 129.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.18ms. Allocated memory is still 169.9MB. Free memory was 129.9MB in the beginning and 128.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 656.50ms. Allocated memory is still 169.9MB. Free memory was 128.4MB in the beginning and 112.5MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 311.03ms. Allocated memory is still 169.9MB. Free memory was 112.5MB in the beginning and 99.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 4.40ms. Allocated memory is still 169.9MB. Free memory was 99.9MB in the beginning and 99.5MB in the end (delta: 409.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 04:03:18,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fe5e959-653f-43af-9c52-8c177d3b33f4/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fe5e959-653f-43af-9c52-8c177d3b33f4/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fe5e959-653f-43af-9c52-8c177d3b33f4/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_4fe5e959-653f-43af-9c52-8c177d3b33f4/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fe5e959-653f-43af-9c52-8c177d3b33f4/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_4+newton_1_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fe5e959-653f-43af-9c52-8c177d3b33f4/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_4fe5e959-653f-43af-9c52-8c177d3b33f4/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 6350103920575a4c7a5643f51f7bc8e829a7fbf85ea9b0288d4dadd8696b7030 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:03:21,826 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:03:21,939 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fe5e959-653f-43af-9c52-8c177d3b33f4/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 04:03:21,991 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:03:21,992 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:03:21,993 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:03:21,994 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:03:21,994 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:03:21,995 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:03:22,000 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:03:22,001 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:03:22,001 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:03:22,001 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:03:22,003 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:03:22,003 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:03:22,004 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:03:22,004 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:03:22,005 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:03:22,005 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:03:22,006 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:03:22,007 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:03:22,007 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:03:22,008 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:03:22,008 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:03:22,008 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:03:22,009 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:03:22,009 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 04:03:22,010 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:03:22,010 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:03:22,011 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:03:22,011 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:03:22,012 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:03:22,012 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:03:22,012 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:03:22,012 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:03:22,012 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 04:03:22,013 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:03:22,013 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_4fe5e959-653f-43af-9c52-8c177d3b33f4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fe5e959-653f-43af-9c52-8c177d3b33f4/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6350103920575a4c7a5643f51f7bc8e829a7fbf85ea9b0288d4dadd8696b7030 [2023-11-19 04:03:22,404 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:03:22,425 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:03:22,428 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:03:22,429 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:03:22,430 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:03:22,431 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fe5e959-653f-43af-9c52-8c177d3b33f4/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/gcd_4+newton_1_1.i [2023-11-19 04:03:25,680 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:03:25,968 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:03:25,969 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fe5e959-653f-43af-9c52-8c177d3b33f4/sv-benchmarks/c/combinations/gcd_4+newton_1_1.i [2023-11-19 04:03:25,978 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fe5e959-653f-43af-9c52-8c177d3b33f4/bin/ukojak-verify-G8NBE6pJGL/data/bc70f53a2/17c838cc9f4f408db4dfdf8ae51a9934/FLAG3d560b5c7 [2023-11-19 04:03:26,005 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fe5e959-653f-43af-9c52-8c177d3b33f4/bin/ukojak-verify-G8NBE6pJGL/data/bc70f53a2/17c838cc9f4f408db4dfdf8ae51a9934 [2023-11-19 04:03:26,010 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:03:26,012 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:03:26,013 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:03:26,013 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:03:26,018 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:03:26,019 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:03:26" (1/1) ... [2023-11-19 04:03:26,020 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eb58343 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:26, skipping insertion in model container [2023-11-19 04:03:26,020 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:03:26" (1/1) ... [2023-11-19 04:03:26,047 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:03:26,215 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_4fe5e959-653f-43af-9c52-8c177d3b33f4/sv-benchmarks/c/combinations/gcd_4+newton_1_1.i[1224,1237] [2023-11-19 04:03:26,242 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_4fe5e959-653f-43af-9c52-8c177d3b33f4/sv-benchmarks/c/combinations/gcd_4+newton_1_1.i[2806,2819] [2023-11-19 04:03:26,244 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:03:26,258 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:03:26,274 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_4fe5e959-653f-43af-9c52-8c177d3b33f4/sv-benchmarks/c/combinations/gcd_4+newton_1_1.i[1224,1237] [2023-11-19 04:03:26,286 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_4fe5e959-653f-43af-9c52-8c177d3b33f4/sv-benchmarks/c/combinations/gcd_4+newton_1_1.i[2806,2819] [2023-11-19 04:03:26,287 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:03:26,305 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:03:26,306 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:26 WrapperNode [2023-11-19 04:03:26,306 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:03:26,307 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:03:26,308 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:03:26,308 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:03:26,316 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:26" (1/1) ... [2023-11-19 04:03:26,328 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:26" (1/1) ... [2023-11-19 04:03:26,352 INFO L138 Inliner]: procedures = 28, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 79 [2023-11-19 04:03:26,353 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:03:26,353 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:03:26,354 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:03:26,354 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:03:26,362 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:26" (1/1) ... [2023-11-19 04:03:26,363 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:26" (1/1) ... [2023-11-19 04:03:26,367 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:26" (1/1) ... [2023-11-19 04:03:26,367 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:26" (1/1) ... [2023-11-19 04:03:26,377 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:26" (1/1) ... [2023-11-19 04:03:26,381 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:26" (1/1) ... [2023-11-19 04:03:26,384 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:26" (1/1) ... [2023-11-19 04:03:26,385 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:26" (1/1) ... [2023-11-19 04:03:26,389 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:03:26,390 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:03:26,390 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:03:26,391 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:03:26,391 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:26" (1/1) ... [2023-11-19 04:03:26,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:03:26,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fe5e959-653f-43af-9c52-8c177d3b33f4/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:03:26,424 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fe5e959-653f-43af-9c52-8c177d3b33f4/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:03:26,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fe5e959-653f-43af-9c52-8c177d3b33f4/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:03:26,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:03:26,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:03:26,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:03:26,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:03:26,504 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 04:03:26,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 04:03:26,597 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:03:26,599 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:03:43,224 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:03:43,340 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:03:43,341 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:03:43,348 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:03:43 BoogieIcfgContainer [2023-11-19 04:03:43,350 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:03:43,352 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:03:43,352 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:03:43,363 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:03:43,363 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:03:43" (1/1) ... [2023-11-19 04:03:43,373 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:03:43,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:43,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2023-11-19 04:03:43,445 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2023-11-19 04:03:43,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 04:03:43,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:43,448 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:03:43,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fe5e959-653f-43af-9c52-8c177d3b33f4/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 04:03:43,455 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fe5e959-653f-43af-9c52-8c177d3b33f4/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:03:43,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fe5e959-653f-43af-9c52-8c177d3b33f4/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process