./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-nla/geo1-both-t.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_031d1a7e-a2d9-477a-a7a5-fafcff6fe92e/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_031d1a7e-a2d9-477a-a7a5-fafcff6fe92e/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_031d1a7e-a2d9-477a-a7a5-fafcff6fe92e/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_031d1a7e-a2d9-477a-a7a5-fafcff6fe92e/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-nla/geo1-both-t.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_031d1a7e-a2d9-477a-a7a5-fafcff6fe92e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_031d1a7e-a2d9-477a-a7a5-fafcff6fe92e/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 02059a7c4b7b922395986679dcda00ae0f1aedf3f381a067de494c2934fbed7c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:44:30,680 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:44:30,795 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_031d1a7e-a2d9-477a-a7a5-fafcff6fe92e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:44:30,805 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:44:30,805 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:44:30,852 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:44:30,853 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:44:30,854 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:44:30,855 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:44:30,862 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:44:30,862 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:44:30,863 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:44:30,863 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:44:30,865 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:44:30,866 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:44:30,866 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:44:30,866 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:44:30,867 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:44:30,867 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:44:30,867 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:44:30,868 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:44:30,868 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:44:30,869 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:44:30,871 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:44:30,872 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:44:30,872 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:44:30,872 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:44:30,873 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:44:30,874 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:44:30,874 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:44:30,875 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:44:30,876 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:44:30,876 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:44:30,876 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:44:30,876 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:44:30,877 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_031d1a7e-a2d9-477a-a7a5-fafcff6fe92e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_031d1a7e-a2d9-477a-a7a5-fafcff6fe92e/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02059a7c4b7b922395986679dcda00ae0f1aedf3f381a067de494c2934fbed7c [2023-11-19 03:44:31,183 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:44:31,206 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:44:31,209 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:44:31,211 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:44:31,211 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:44:31,213 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_031d1a7e-a2d9-477a-a7a5-fafcff6fe92e/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/termination-nla/geo1-both-t.c [2023-11-19 03:44:34,473 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:44:34,708 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:44:34,709 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_031d1a7e-a2d9-477a-a7a5-fafcff6fe92e/sv-benchmarks/c/termination-nla/geo1-both-t.c [2023-11-19 03:44:34,717 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_031d1a7e-a2d9-477a-a7a5-fafcff6fe92e/bin/ukojak-verify-G8NBE6pJGL/data/82717fe99/233701f6357a4231aa849ac40bd7fab6/FLAG29b37f388 [2023-11-19 03:44:34,731 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_031d1a7e-a2d9-477a-a7a5-fafcff6fe92e/bin/ukojak-verify-G8NBE6pJGL/data/82717fe99/233701f6357a4231aa849ac40bd7fab6 [2023-11-19 03:44:34,733 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:44:34,735 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:44:34,737 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:44:34,737 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:44:34,743 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:44:34,744 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:44:34" (1/1) ... [2023-11-19 03:44:34,745 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d7aac86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:34, skipping insertion in model container [2023-11-19 03:44:34,745 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:44:34" (1/1) ... [2023-11-19 03:44:34,767 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:44:34,928 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:44:34,935 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:44:34,952 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:44:34,968 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:44:34,968 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:34 WrapperNode [2023-11-19 03:44:34,968 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:44:34,970 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:44:34,970 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:44:34,970 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:44:34,978 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:34" (1/1) ... [2023-11-19 03:44:34,983 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:34" (1/1) ... [2023-11-19 03:44:35,004 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 52 [2023-11-19 03:44:35,005 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:44:35,006 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:44:35,006 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:44:35,006 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:44:35,015 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:34" (1/1) ... [2023-11-19 03:44:35,015 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:34" (1/1) ... [2023-11-19 03:44:35,017 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:34" (1/1) ... [2023-11-19 03:44:35,017 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:34" (1/1) ... [2023-11-19 03:44:35,020 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:34" (1/1) ... [2023-11-19 03:44:35,023 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:34" (1/1) ... [2023-11-19 03:44:35,024 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:34" (1/1) ... [2023-11-19 03:44:35,025 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:34" (1/1) ... [2023-11-19 03:44:35,027 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:44:35,028 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:44:35,028 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:44:35,028 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:44:35,029 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:34" (1/1) ... [2023-11-19 03:44:35,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:44:35,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_031d1a7e-a2d9-477a-a7a5-fafcff6fe92e/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:44:35,061 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_031d1a7e-a2d9-477a-a7a5-fafcff6fe92e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:44:35,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_031d1a7e-a2d9-477a-a7a5-fafcff6fe92e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:44:35,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:44:35,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:44:35,149 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:44:35,151 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:44:35,446 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:44:35,478 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:44:35,478 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:44:35,490 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:44:35 BoogieIcfgContainer [2023-11-19 03:44:35,490 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:44:35,492 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:44:35,492 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:44:35,503 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:44:35,504 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:44:35" (1/1) ... [2023-11-19 03:44:35,514 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:44:35,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:35,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 48 states and 49 transitions. [2023-11-19 03:44:35,582 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 49 transitions. [2023-11-19 03:44:35,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:44:35,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:35,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:35,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:35,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:44:35,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:35,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 48 transitions. [2023-11-19 03:44:35,768 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 48 transitions. [2023-11-19 03:44:35,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:44:35,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:35,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:35,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:35,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:44:35,803 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:44:35,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:44:35,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:35,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 50 states and 51 transitions. [2023-11-19 03:44:35,915 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 51 transitions. [2023-11-19 03:44:35,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:44:35,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:35,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:35,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:35,964 INFO L262 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:44:35,965 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:44:36,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:44:36,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:36,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 53 states and 55 transitions. [2023-11-19 03:44:36,120 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 55 transitions. [2023-11-19 03:44:36,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:44:36,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:36,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:36,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:44:36,134 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:44:36,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:44:36,149 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2023-11-19 03:44:36,179 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:44:36 ImpRootNode [2023-11-19 03:44:36,179 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:44:36,179 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:44:36,179 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:44:36,180 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:44:36,180 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:44:35" (3/4) ... [2023-11-19 03:44:36,181 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 03:44:36,220 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_031d1a7e-a2d9-477a-a7a5-fafcff6fe92e/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:44:36,220 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:44:36,221 INFO L158 Benchmark]: Toolchain (without parser) took 1485.95ms. Allocated memory was 144.7MB in the beginning and 207.6MB in the end (delta: 62.9MB). Free memory was 99.3MB in the beginning and 167.5MB in the end (delta: -68.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:44:36,222 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 104.9MB. Free memory is still 57.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:44:36,223 INFO L158 Benchmark]: CACSL2BoogieTranslator took 231.97ms. Allocated memory is still 144.7MB. Free memory was 99.3MB in the beginning and 89.6MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:44:36,223 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.16ms. Allocated memory is still 144.7MB. Free memory was 89.6MB in the beginning and 88.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:44:36,224 INFO L158 Benchmark]: Boogie Preprocessor took 21.43ms. Allocated memory is still 144.7MB. Free memory was 88.0MB in the beginning and 87.1MB in the end (delta: 832.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:44:36,224 INFO L158 Benchmark]: RCFGBuilder took 462.89ms. Allocated memory is still 144.7MB. Free memory was 87.1MB in the beginning and 73.7MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:44:36,225 INFO L158 Benchmark]: CodeCheck took 687.22ms. Allocated memory was 144.7MB in the beginning and 207.6MB in the end (delta: 62.9MB). Free memory was 73.7MB in the beginning and 169.6MB in the end (delta: -95.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:44:36,226 INFO L158 Benchmark]: Witness Printer took 41.22ms. Allocated memory is still 207.6MB. Free memory was 169.6MB in the beginning and 167.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:44:36,229 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 1 procedures, 48 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 26 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 27 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 26 IncrementalHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 19 mSDtfsCounter, 26 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 41 SizeOfPredicates, 0 NumberOfNonLiveVariables, 29 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 - CounterExampleResult [Line: 35]: integer overflow possible integer overflow possible We found a FailurePath: [L23] int z, k; [L24] int x, y, c; [L25] z = __VERIFIER_nondet_int() [L26] k = __VERIFIER_nondet_int() [L28] x = 1 [L29] y = z [L30] c = 1 VAL [c=1, k=0, x=1, y=-2147483648, z=-2147483648] [L32] COND TRUE 1 VAL [c=1, k=0, x=1, y=-2147483648, z=-2147483648] [L35] EXPR x*z VAL [c=1, k=0, x=1, y=-2147483648, z=-2147483648] [L35] x*z - x VAL [c=1, k=0, x=1, y=-2147483648, z=-2147483648] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 104.9MB. Free memory is still 57.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 231.97ms. Allocated memory is still 144.7MB. Free memory was 99.3MB in the beginning and 89.6MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.16ms. Allocated memory is still 144.7MB. Free memory was 89.6MB in the beginning and 88.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.43ms. Allocated memory is still 144.7MB. Free memory was 88.0MB in the beginning and 87.1MB in the end (delta: 832.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 462.89ms. Allocated memory is still 144.7MB. Free memory was 87.1MB in the beginning and 73.7MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 687.22ms. Allocated memory was 144.7MB in the beginning and 207.6MB in the end (delta: 62.9MB). Free memory was 73.7MB in the beginning and 169.6MB in the end (delta: -95.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 41.22ms. Allocated memory is still 207.6MB. Free memory was 169.6MB in the beginning and 167.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-19 03:44:36,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_031d1a7e-a2d9-477a-a7a5-fafcff6fe92e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)