./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/inv_Newton.c.p+cfa-reducer.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_a169faa7-0228-4551-9d32-14900d60447b/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a169faa7-0228-4551-9d32-14900d60447b/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_a169faa7-0228-4551-9d32-14900d60447b/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a169faa7-0228-4551-9d32-14900d60447b/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/inv_Newton.c.p+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a169faa7-0228-4551-9d32-14900d60447b/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_a169faa7-0228-4551-9d32-14900d60447b/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 f807884dfe796c964ede5317ceef5bdc8dc93cb7b5e0611cc0dc63f2d13b17a0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:54:44,047 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:54:44,110 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a169faa7-0228-4551-9d32-14900d60447b/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 03:54:44,114 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:54:44,115 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:54:44,137 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:54:44,138 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:54:44,138 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:54:44,139 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:54:44,140 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:54:44,140 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:54:44,141 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:54:44,141 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:54:44,142 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:54:44,142 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:54:44,142 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:54:44,143 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:54:44,143 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:54:44,144 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:54:44,144 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:54:44,145 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:54:44,146 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:54:44,146 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:54:44,147 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:54:44,147 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:54:44,147 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:54:44,148 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:54:44,148 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:54:44,149 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:54:44,149 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:54:44,150 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:54:44,150 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:54:44,150 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:54:44,151 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_a169faa7-0228-4551-9d32-14900d60447b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a169faa7-0228-4551-9d32-14900d60447b/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f807884dfe796c964ede5317ceef5bdc8dc93cb7b5e0611cc0dc63f2d13b17a0 [2023-12-03 03:54:44,357 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:54:44,377 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:54:44,380 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:54:44,381 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:54:44,382 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:54:44,383 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a169faa7-0228-4551-9d32-14900d60447b/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-benchs/inv_Newton.c.p+cfa-reducer.c [2023-12-03 03:54:47,165 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:54:47,339 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:54:47,339 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a169faa7-0228-4551-9d32-14900d60447b/sv-benchmarks/c/float-benchs/inv_Newton.c.p+cfa-reducer.c [2023-12-03 03:54:47,347 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a169faa7-0228-4551-9d32-14900d60447b/bin/ukojak-verify-Qdu7aM0XO9/data/24ce6d9f8/5882ca2b28314d21bb0e0f25ac79cd40/FLAG95ee7df74 [2023-12-03 03:54:47,362 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a169faa7-0228-4551-9d32-14900d60447b/bin/ukojak-verify-Qdu7aM0XO9/data/24ce6d9f8/5882ca2b28314d21bb0e0f25ac79cd40 [2023-12-03 03:54:47,364 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:54:47,366 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:54:47,367 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:54:47,367 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:54:47,372 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:54:47,372 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:54:47" (1/1) ... [2023-12-03 03:54:47,374 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@525ccaeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:54:47, skipping insertion in model container [2023-12-03 03:54:47,374 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:54:47" (1/1) ... [2023-12-03 03:54:47,399 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:54:47,569 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_a169faa7-0228-4551-9d32-14900d60447b/sv-benchmarks/c/float-benchs/inv_Newton.c.p+cfa-reducer.c[2006,2019] [2023-12-03 03:54:47,576 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:54:47,587 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:54:47,610 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_a169faa7-0228-4551-9d32-14900d60447b/sv-benchmarks/c/float-benchs/inv_Newton.c.p+cfa-reducer.c[2006,2019] [2023-12-03 03:54:47,612 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:54:47,628 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:54:47,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:54:47 WrapperNode [2023-12-03 03:54:47,629 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:54:47,630 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:54:47,630 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:54:47,630 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:54:47,639 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:54:47" (1/1) ... [2023-12-03 03:54:47,647 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:54:47" (1/1) ... [2023-12-03 03:54:47,669 INFO L138 Inliner]: procedures = 18, calls = 20, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 112 [2023-12-03 03:54:47,670 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:54:47,671 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:54:47,671 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:54:47,671 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:54:47,680 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:54:47" (1/1) ... [2023-12-03 03:54:47,681 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:54:47" (1/1) ... [2023-12-03 03:54:47,683 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:54:47" (1/1) ... [2023-12-03 03:54:47,683 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:54:47" (1/1) ... [2023-12-03 03:54:47,690 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:54:47" (1/1) ... [2023-12-03 03:54:47,693 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:54:47" (1/1) ... [2023-12-03 03:54:47,694 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:54:47" (1/1) ... [2023-12-03 03:54:47,695 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:54:47" (1/1) ... [2023-12-03 03:54:47,698 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:54:47,699 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:54:47,699 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:54:47,699 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:54:47,700 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:54:47" (1/1) ... [2023-12-03 03:54:47,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:54:47,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a169faa7-0228-4551-9d32-14900d60447b/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:54:47,729 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a169faa7-0228-4551-9d32-14900d60447b/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:54:47,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a169faa7-0228-4551-9d32-14900d60447b/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:54:47,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:54:47,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:54:47,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:54:47,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-12-03 03:54:47,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 03:54:47,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-12-03 03:54:47,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:54:47,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:54:47,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 03:54:47,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:54:47,838 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:54:47,840 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:54:47,988 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:54:48,046 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:54:48,046 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 03:54:48,048 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:54:48 BoogieIcfgContainer [2023-12-03 03:54:48,048 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:54:48,049 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:54:48,049 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:54:48,058 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:54:48,058 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:54:48" (1/1) ... [2023-12-03 03:54:48,065 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:54:48,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:48,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2023-12-03 03:54:48,115 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2023-12-03 03:54:48,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 03:54:48,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:48,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:54:48,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:48,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:54:48,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:48,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2023-12-03 03:54:48,488 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2023-12-03 03:54:48,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 03:54:48,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:48,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:54:48,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:54:48,529 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:54:48,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:54:48,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:54:48,620 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:54:48,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:54:48,656 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-03 03:54:48,691 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:54:48 ImpRootNode [2023-12-03 03:54:48,691 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:54:48,692 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:54:48,692 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:54:48,692 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:54:48,693 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:54:48" (3/4) ... [2023-12-03 03:54:48,695 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 03:54:48,696 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:54:48,697 INFO L158 Benchmark]: Toolchain (without parser) took 1331.12ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 103.6MB in the beginning and 126.4MB in the end (delta: -22.7MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2023-12-03 03:54:48,697 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 100.7MB. Free memory is still 54.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:54:48,698 INFO L158 Benchmark]: CACSL2BoogieTranslator took 262.39ms. Allocated memory is still 142.6MB. Free memory was 103.6MB in the beginning and 92.0MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 03:54:48,699 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.99ms. Allocated memory is still 142.6MB. Free memory was 92.0MB in the beginning and 90.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:54:48,699 INFO L158 Benchmark]: Boogie Preprocessor took 27.25ms. Allocated memory is still 142.6MB. Free memory was 90.3MB in the beginning and 89.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:54:48,700 INFO L158 Benchmark]: RCFGBuilder took 350.06ms. Allocated memory is still 142.6MB. Free memory was 89.0MB in the beginning and 73.9MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 03:54:48,700 INFO L158 Benchmark]: CodeCheck took 642.14ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 73.9MB in the beginning and 127.4MB in the end (delta: -53.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:54:48,701 INFO L158 Benchmark]: Witness Printer took 4.10ms. Allocated memory is still 172.0MB. Free memory was 127.4MB in the beginning and 126.4MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:54:48,704 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, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 13 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 73 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 4 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, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: 96]: 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 bitwiseAnd at line 45, overapproximation of someBinaryArithmeticDOUBLEoperation at line 53, overapproximation of someBinaryDOUBLEComparisonOperation at line 83, overapproximation of to_real at line 46. Possible FailurePath: [L1] int __return_main; [L17] double __return_104; [L20] double main__a; [L21] double main__r; [L22] main__a = __VERIFIER_nondet_double() [L23] int main____CPAchecker_TMP_0; VAL [__return_104=0, __return_main=0] [L24] COND TRUE main__a >= 20.0 VAL [__return_104=0, __return_main=0] [L26] COND TRUE main__a <= 30.0 [L28] main____CPAchecker_TMP_0 = 1 VAL [__return_104=0, __return_main=0, main____CPAchecker_TMP_0=1] [L30] COND TRUE main____CPAchecker_TMP_0 != 0 [L33] double __tmp_1; [L34] __tmp_1 = main__a [L35] double inv__A; [L36] inv__A = __tmp_1 [L37] double inv__xi; [L38] double inv__xsi; [L39] double inv__temp; [L40] signed int inv__cond; [L41] signed int inv__exp; [L42] union double_int inv__A_u; [L43] union double_int inv__xi_u; [L44] inv__A_u.d = inv__A [L45] EXPR inv__A_u.i [L45] EXPR (inv__A_u.i) & 2146435072 [L45] inv__exp = ((signed int)(((inv__A_u.i) & 2146435072) >> 20)) - 1023 [L46] inv__xi_u.d = 1 [L47] inv__xi_u.i = (1023 - inv__exp) << 20 [L48] EXPR inv__xi_u.d [L48] inv__xi = inv__xi_u.d [L49] inv__cond = 1 VAL [__return_104=0, __return_main=0, __tmp_1=2, inv__A=2, inv__A_u={8368:0}, inv__cond=1, inv__exp=-1023, inv__xi=3, inv__xi_u={8367:0}, main____CPAchecker_TMP_0=1, main__a=2] [L51] COND TRUE !(inv__cond == 0) [L53] inv__xsi = (2 * inv__xi) - ((inv__A * inv__xi) * inv__xi) [L54] inv__temp = inv__xsi - inv__xi [L55] int inv____CPAchecker_TMP_0; VAL [__return_104=0, __return_main=0, __tmp_1=2, inv__A=2, inv__A_u={8368:0}, inv__cond=1, inv__exp=-1023, inv__xi=3, inv__xi_u={8367:0}, main____CPAchecker_TMP_0=1, main__a=2] [L56] COND FALSE !(inv__temp > 1.0E-10) VAL [__return_104=0, __return_main=0, __tmp_1=2, inv__A=2, inv__A_u={8368:0}, inv__cond=1, inv__exp=-1023, inv__xi=3, inv__xi_u={8367:0}, main____CPAchecker_TMP_0=1, main__a=2] [L67] COND FALSE !(inv__temp < -1.0E-10) [L73] inv____CPAchecker_TMP_0 = 0 VAL [__return_104=0, __return_main=0, __tmp_1=2, inv__A=2, inv__A_u={8368:0}, inv____CPAchecker_TMP_0=0, inv__cond=1, inv__exp=-1023, inv__xi=3, inv__xi_u={8367:0}, main____CPAchecker_TMP_0=1, main__a=2] [L61] inv__cond = inv____CPAchecker_TMP_0 [L62] inv__xi = inv__xsi VAL [__return_104=0, __return_main=0, __tmp_1=2, inv__A=2, inv__A_u={8368:0}, inv____CPAchecker_TMP_0=0, inv__cond=0, inv__exp=-1023, inv__xi=7, inv__xi_u={8367:0}, inv__xsi=7, main____CPAchecker_TMP_0=1, main__a=2] [L51] COND FALSE !(!(inv__cond == 0)) [L80] __return_104 = inv__xi [L81] main__r = __return_104 [L82] int main____CPAchecker_TMP_1; VAL [__return_104=7, __return_main=0, __tmp_1=2, inv__A=2, inv__A_u={8368:0}, inv____CPAchecker_TMP_0=0, inv__cond=0, inv__exp=-1023, inv__xi=7, inv__xi_u={8367:0}, inv__xsi=7, main____CPAchecker_TMP_0=1, main__a=2, main__r=7] [L83] COND FALSE !(main__r >= 0) VAL [__return_104=7, __return_main=0, __tmp_1=2, inv__A=2, inv__A_u={8368:0}, inv____CPAchecker_TMP_0=0, inv__cond=0, inv__exp=-1023, inv__xi=7, inv__xi_u={8367:0}, inv__xsi=7, main____CPAchecker_TMP_0=1, main__a=2, main__r=7] [L108] main____CPAchecker_TMP_1 = 0 VAL [__return_104=7, __return_main=0, __tmp_1=2, inv__A=2, inv__A_u={8368:0}, inv____CPAchecker_TMP_0=0, inv__cond=0, inv__exp=-1023, inv__xi=7, inv__xi_u={8367:0}, inv__xsi=7, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=0, main__a=2, main__r=7] [L90] int __tmp_2; [L91] __tmp_2 = main____CPAchecker_TMP_1 [L92] int __VERIFIER_assert__cond; [L93] __VERIFIER_assert__cond = __tmp_2 VAL [__VERIFIER_assert__cond=0, __return_104=7, __return_main=0, __tmp_1=2, __tmp_2=0, inv__A=2, inv__A_u={8368:0}, inv____CPAchecker_TMP_0=0, inv__cond=0, inv__exp=-1023, inv__xi=7, inv__xi_u={8367:0}, inv__xsi=7, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=0, main__a=2, main__r=7] [L94] COND TRUE __VERIFIER_assert__cond == 0 VAL [__VERIFIER_assert__cond=0, __return_104=7, __return_main=0, __tmp_1=2, __tmp_2=0, inv__A=2, inv__A_u={8368:0}, inv____CPAchecker_TMP_0=0, inv__cond=0, inv__exp=-1023, inv__xi=7, inv__xi_u={8367:0}, inv__xsi=7, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=0, main__a=2, main__r=7] [L96] reach_error() VAL [__VERIFIER_assert__cond=0, __return_104=7, __return_main=0, __tmp_1=2, __tmp_2=0, inv__A=2, inv__A_u={8368:0}, inv____CPAchecker_TMP_0=0, inv__cond=0, inv__exp=-1023, inv__xi=7, inv__xi_u={8367:0}, inv__xsi=7, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=0, main__a=2, main__r=7] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 100.7MB. Free memory is still 54.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 262.39ms. Allocated memory is still 142.6MB. Free memory was 103.6MB in the beginning and 92.0MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.99ms. Allocated memory is still 142.6MB. Free memory was 92.0MB in the beginning and 90.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.25ms. Allocated memory is still 142.6MB. Free memory was 90.3MB in the beginning and 89.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 350.06ms. Allocated memory is still 142.6MB. Free memory was 89.0MB in the beginning and 73.9MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 642.14ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 73.9MB in the beginning and 127.4MB in the end (delta: -53.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.10ms. Allocated memory is still 172.0MB. Free memory was 127.4MB in the beginning and 126.4MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 03:54:48,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a169faa7-0228-4551-9d32-14900d60447b/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_a169faa7-0228-4551-9d32-14900d60447b/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a169faa7-0228-4551-9d32-14900d60447b/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_a169faa7-0228-4551-9d32-14900d60447b/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a169faa7-0228-4551-9d32-14900d60447b/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/inv_Newton.c.p+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a169faa7-0228-4551-9d32-14900d60447b/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_a169faa7-0228-4551-9d32-14900d60447b/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 f807884dfe796c964ede5317ceef5bdc8dc93cb7b5e0611cc0dc63f2d13b17a0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:54:50,633 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:54:50,713 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a169faa7-0228-4551-9d32-14900d60447b/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 03:54:50,746 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:54:50,747 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:54:50,747 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:54:50,748 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:54:50,749 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:54:50,749 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:54:50,750 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:54:50,750 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:54:50,751 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:54:50,751 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:54:50,752 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:54:50,752 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:54:50,753 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:54:50,753 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 03:54:50,754 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 03:54:50,754 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 03:54:50,755 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:54:50,755 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:54:50,756 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:54:50,757 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:54:50,757 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:54:50,758 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:54:50,758 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:54:50,759 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 03:54:50,759 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:54:50,760 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:54:50,760 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:54:50,761 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:54:50,761 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:54:50,761 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 03:54:50,762 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:54:50,762 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:54:50,762 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 03:54:50,762 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 03:54:50,763 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_a169faa7-0228-4551-9d32-14900d60447b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a169faa7-0228-4551-9d32-14900d60447b/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f807884dfe796c964ede5317ceef5bdc8dc93cb7b5e0611cc0dc63f2d13b17a0 [2023-12-03 03:54:51,040 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:54:51,060 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:54:51,062 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:54:51,064 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:54:51,064 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:54:51,066 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a169faa7-0228-4551-9d32-14900d60447b/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-benchs/inv_Newton.c.p+cfa-reducer.c [2023-12-03 03:54:53,876 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:54:54,071 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:54:54,072 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a169faa7-0228-4551-9d32-14900d60447b/sv-benchmarks/c/float-benchs/inv_Newton.c.p+cfa-reducer.c [2023-12-03 03:54:54,078 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a169faa7-0228-4551-9d32-14900d60447b/bin/ukojak-verify-Qdu7aM0XO9/data/56f0100f0/2e7285d89c574c74a8bf8239e6278464/FLAG0a04d98e4 [2023-12-03 03:54:54,089 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a169faa7-0228-4551-9d32-14900d60447b/bin/ukojak-verify-Qdu7aM0XO9/data/56f0100f0/2e7285d89c574c74a8bf8239e6278464 [2023-12-03 03:54:54,091 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:54:54,092 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:54:54,094 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:54:54,094 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:54:54,097 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:54:54,098 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:54:54" (1/1) ... [2023-12-03 03:54:54,099 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e0c38d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:54:54, skipping insertion in model container [2023-12-03 03:54:54,099 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:54:54" (1/1) ... [2023-12-03 03:54:54,124 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:54:54,305 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_a169faa7-0228-4551-9d32-14900d60447b/sv-benchmarks/c/float-benchs/inv_Newton.c.p+cfa-reducer.c[2006,2019] [2023-12-03 03:54:54,311 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:54:54,326 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:54:54,351 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_a169faa7-0228-4551-9d32-14900d60447b/sv-benchmarks/c/float-benchs/inv_Newton.c.p+cfa-reducer.c[2006,2019] [2023-12-03 03:54:54,353 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:54:54,378 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:54:54,378 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:54:54 WrapperNode [2023-12-03 03:54:54,379 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:54:54,380 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:54:54,380 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:54:54,380 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:54:54,388 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:54:54" (1/1) ... [2023-12-03 03:54:54,399 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:54:54" (1/1) ... [2023-12-03 03:54:54,422 INFO L138 Inliner]: procedures = 21, calls = 20, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 103 [2023-12-03 03:54:54,422 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:54:54,423 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:54:54,423 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:54:54,423 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:54:54,433 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:54:54" (1/1) ... [2023-12-03 03:54:54,433 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:54:54" (1/1) ... [2023-12-03 03:54:54,438 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:54:54" (1/1) ... [2023-12-03 03:54:54,438 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:54:54" (1/1) ... [2023-12-03 03:54:54,448 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:54:54" (1/1) ... [2023-12-03 03:54:54,451 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:54:54" (1/1) ... [2023-12-03 03:54:54,453 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:54:54" (1/1) ... [2023-12-03 03:54:54,455 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:54:54" (1/1) ... [2023-12-03 03:54:54,459 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:54:54,460 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:54:54,460 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:54:54,460 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:54:54,461 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:54:54" (1/1) ... [2023-12-03 03:54:54,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:54:54,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a169faa7-0228-4551-9d32-14900d60447b/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:54:54,492 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a169faa7-0228-4551-9d32-14900d60447b/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:54:54,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a169faa7-0228-4551-9d32-14900d60447b/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:54:54,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:54:54,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-12-03 03:54:54,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-12-03 03:54:54,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 03:54:54,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:54:54,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 03:54:54,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:54:54,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:54:54,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:54:54,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 03:54:54,617 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:54:54,620 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:55:04,986 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:55:05,009 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:55:05,010 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 03:55:05,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:55:05 BoogieIcfgContainer [2023-12-03 03:55:05,012 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:55:05,013 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:55:05,013 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:55:05,020 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:55:05,020 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:55:05" (1/1) ... [2023-12-03 03:55:05,028 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:55:05,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:55:05,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2023-12-03 03:55:05,072 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2023-12-03 03:55:05,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 03:55:05,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:55:05,074 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:55:05,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a169faa7-0228-4551-9d32-14900d60447b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:55:05,075 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a169faa7-0228-4551-9d32-14900d60447b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:55:05,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a169faa7-0228-4551-9d32-14900d60447b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 03:55:05,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:05,259 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:55:05,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:05,307 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:55:05,311 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:55:05,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:55:05,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a169faa7-0228-4551-9d32-14900d60447b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 03:55:15,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:55:25,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.46s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:55:26,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:55:26,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2023-12-03 03:55:26,362 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2023-12-03 03:55:26,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 03:55:26,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:55:26,363 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:55:26,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a169faa7-0228-4551-9d32-14900d60447b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:55:26,384 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a169faa7-0228-4551-9d32-14900d60447b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:55:26,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a169faa7-0228-4551-9d32-14900d60447b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 03:55:26,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:26,625 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:55:26,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:26,665 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:55:26,666 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:55:26,733 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:55:26,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a169faa7-0228-4551-9d32-14900d60447b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 03:55:26,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:55:26,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2023-12-03 03:55:26,843 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2023-12-03 03:55:26,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 03:55:26,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:55:26,844 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:55:26,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a169faa7-0228-4551-9d32-14900d60447b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:55:26,846 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a169faa7-0228-4551-9d32-14900d60447b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:55:26,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a169faa7-0228-4551-9d32-14900d60447b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 03:55:27,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:27,132 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:55:27,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:27,173 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 03:55:27,174 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:55:27,319 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:55:27,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a169faa7-0228-4551-9d32-14900d60447b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 03:55:27,323 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a169faa7-0228-4551-9d32-14900d60447b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 03:55:27,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:55:27,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2023-12-03 03:55:27,555 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2023-12-03 03:55:27,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 03:55:27,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:55:27,557 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:55:27,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a169faa7-0228-4551-9d32-14900d60447b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:55:27,558 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a169faa7-0228-4551-9d32-14900d60447b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:55:27,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a169faa7-0228-4551-9d32-14900d60447b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 03:55:29,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:29,710 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:55:39,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 03:55:40,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a169faa7-0228-4551-9d32-14900d60447b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 03:55:40,166 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 03:55:40,170 INFO L158 Benchmark]: Toolchain (without parser) took 46076.89ms. Allocated memory is still 102.8MB. Free memory was 79.5MB in the beginning and 77.9MB in the end (delta: 1.6MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2023-12-03 03:55:40,170 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 65.0MB. Free memory is still 41.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:55:40,171 INFO L158 Benchmark]: CACSL2BoogieTranslator took 285.49ms. Allocated memory is still 102.8MB. Free memory was 79.5MB in the beginning and 67.2MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 03:55:40,172 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.60ms. Allocated memory is still 102.8MB. Free memory was 67.2MB in the beginning and 65.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:55:40,173 INFO L158 Benchmark]: Boogie Preprocessor took 35.93ms. Allocated memory is still 102.8MB. Free memory was 65.4MB in the beginning and 63.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:55:40,174 INFO L158 Benchmark]: RCFGBuilder took 10551.99ms. Allocated memory is still 102.8MB. Free memory was 63.8MB in the beginning and 78.9MB in the end (delta: -15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 03:55:40,174 INFO L158 Benchmark]: CodeCheck took 35156.40ms. Allocated memory is still 102.8MB. Free memory was 78.9MB in the beginning and 77.9MB in the end (delta: 1.0MB). Peak memory consumption was 1.3MB. Max. memory is 16.1GB. [2023-12-03 03:55:40,178 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 65.0MB. Free memory is still 41.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 285.49ms. Allocated memory is still 102.8MB. Free memory was 79.5MB in the beginning and 67.2MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.60ms. Allocated memory is still 102.8MB. Free memory was 67.2MB in the beginning and 65.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.93ms. Allocated memory is still 102.8MB. Free memory was 65.4MB in the beginning and 63.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 10551.99ms. Allocated memory is still 102.8MB. Free memory was 63.8MB in the beginning and 78.9MB in the end (delta: -15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 35156.40ms. Allocated memory is still 102.8MB. Free memory was 78.9MB in the beginning and 77.9MB in the end (delta: 1.0MB). Peak memory consumption was 1.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 03:55:40,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a169faa7-0228-4551-9d32-14900d60447b/bin/ukojak-verify-Qdu7aM0XO9/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown