./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0df17a-8641-47ab-a249-461927722486/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0df17a-8641-47ab-a249-461927722486/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_ee0df17a-8641-47ab-a249-461927722486/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0df17a-8641-47ab-a249-461927722486/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0df17a-8641-47ab-a249-461927722486/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0df17a-8641-47ab-a249-461927722486/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 623f8e570c67201db9fc7be447d74d083955ca752401303f9fce588b7571c3af --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:58:53,395 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:58:53,508 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0df17a-8641-47ab-a249-461927722486/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:58:53,515 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:58:53,516 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:58:53,573 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:58:53,574 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:58:53,574 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:58:53,575 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:58:53,580 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:58:53,581 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:58:53,581 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:58:53,582 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:58:53,584 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:58:53,584 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:58:53,585 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:58:53,585 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:58:53,585 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:58:53,586 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:58:53,586 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:58:53,587 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:58:53,593 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:58:53,593 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:58:53,594 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:58:53,594 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:58:53,595 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:58:53,595 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:58:53,596 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:58:53,596 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:58:53,597 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:58:53,598 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:58:53,598 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:58:53,605 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:58:53,605 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_ee0df17a-8641-47ab-a249-461927722486/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0df17a-8641-47ab-a249-461927722486/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 623f8e570c67201db9fc7be447d74d083955ca752401303f9fce588b7571c3af [2023-11-19 02:58:53,904 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:58:53,933 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:58:53,935 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:58:53,937 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:58:53,937 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:58:53,939 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0df17a-8641-47ab-a249-461927722486/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound5.c [2023-11-19 02:58:57,168 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:58:57,456 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:58:57,457 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0df17a-8641-47ab-a249-461927722486/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound5.c [2023-11-19 02:58:57,466 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0df17a-8641-47ab-a249-461927722486/bin/ukojak-verify-G8NBE6pJGL/data/060c90f9b/3ec18614183b4b869dd7feb9774144f4/FLAG89aa968a8 [2023-11-19 02:58:57,482 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0df17a-8641-47ab-a249-461927722486/bin/ukojak-verify-G8NBE6pJGL/data/060c90f9b/3ec18614183b4b869dd7feb9774144f4 [2023-11-19 02:58:57,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:58:57,487 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:58:57,489 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:58:57,489 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:58:57,499 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:58:57,500 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:58:57" (1/1) ... [2023-11-19 02:58:57,501 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2041579a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:57, skipping insertion in model container [2023-11-19 02:58:57,502 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:58:57" (1/1) ... [2023-11-19 02:58:57,531 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:58:57,744 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_ee0df17a-8641-47ab-a249-461927722486/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound5.c[520,533] [2023-11-19 02:58:57,762 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:58:57,773 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:58:57,785 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_ee0df17a-8641-47ab-a249-461927722486/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound5.c[520,533] [2023-11-19 02:58:57,793 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:58:57,807 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:58:57,807 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:57 WrapperNode [2023-11-19 02:58:57,807 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:58:57,808 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:58:57,809 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:58:57,809 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:58:57,817 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:57" (1/1) ... [2023-11-19 02:58:57,825 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:57" (1/1) ... [2023-11-19 02:58:57,847 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2023-11-19 02:58:57,847 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:58:57,848 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:58:57,848 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:58:57,849 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:58:57,859 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:57" (1/1) ... [2023-11-19 02:58:57,859 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:57" (1/1) ... [2023-11-19 02:58:57,861 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:57" (1/1) ... [2023-11-19 02:58:57,861 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:57" (1/1) ... [2023-11-19 02:58:57,865 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:57" (1/1) ... [2023-11-19 02:58:57,869 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:57" (1/1) ... [2023-11-19 02:58:57,870 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:57" (1/1) ... [2023-11-19 02:58:57,872 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:57" (1/1) ... [2023-11-19 02:58:57,874 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:58:57,875 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:58:57,875 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:58:57,875 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:58:57,878 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:57" (1/1) ... [2023-11-19 02:58:57,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:58:57,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0df17a-8641-47ab-a249-461927722486/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:58:57,915 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0df17a-8641-47ab-a249-461927722486/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:58:57,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0df17a-8641-47ab-a249-461927722486/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:58:57,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:58:57,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:58:57,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:58:57,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:58:57,971 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:58:57,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:58:58,056 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:58:58,059 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:58:58,318 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:58:58,406 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:58:58,411 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:58:58,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:58:58 BoogieIcfgContainer [2023-11-19 02:58:58,417 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:58:58,419 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:58:58,419 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:58:58,432 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:58:58,433 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:58:58" (1/1) ... [2023-11-19 02:58:58,453 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:58:58,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:58,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2023-11-19 02:58:58,550 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2023-11-19 02:58:58,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:58:58,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:58,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:58,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:59,011 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 02:58:59,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:59,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 21 states and 33 transitions. [2023-11-19 02:58:59,128 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 33 transitions. [2023-11-19 02:58:59,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 02:58:59,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:59,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:59,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:59,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:58:59,210 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:58:59,367 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:58:59,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:59,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 24 states and 40 transitions. [2023-11-19 02:58:59,616 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 40 transitions. [2023-11-19 02:58:59,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:58:59,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:59,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:59,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:59,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:58:59,751 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:58:59,874 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:59:00,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:59:00,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 26 states and 45 transitions. [2023-11-19 02:59:00,022 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 45 transitions. [2023-11-19 02:59:00,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:59:00,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:59:00,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:59:00,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:59:00,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:59:00,068 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:59:00,140 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:59:00,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:59:00,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 29 states and 52 transitions. [2023-11-19 02:59:00,295 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 52 transitions. [2023-11-19 02:59:00,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:59:00,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:59:00,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:59:00,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:59:00,339 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:59:00,342 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:59:00,440 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:59:00,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:59:00,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 31 states and 55 transitions. [2023-11-19 02:59:00,600 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 55 transitions. [2023-11-19 02:59:00,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 02:59:00,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:59:00,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:59:00,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:59:00,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:59:00,642 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:59:00,703 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 02:59:00,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:59:00,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 34 states and 62 transitions. [2023-11-19 02:59:00,768 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 62 transitions. [2023-11-19 02:59:00,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 02:59:00,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:59:00,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:59:00,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:59:00,826 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 02:59:00,830 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:59:01,076 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 02:59:01,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:59:01,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 32 states and 55 transitions. [2023-11-19 02:59:01,825 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 55 transitions. [2023-11-19 02:59:01,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 02:59:01,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:59:01,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:59:01,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:59:01,865 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:59:01,868 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:59:01,931 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 02:59:01,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:59:01,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 33 states and 58 transitions. [2023-11-19 02:59:01,987 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 58 transitions. [2023-11-19 02:59:01,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 02:59:01,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:59:01,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:59:02,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:59:02,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 02:59:02,026 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:59:02,120 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 9 proven. 17 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-19 02:59:02,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:59:02,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 34 states and 61 transitions. [2023-11-19 02:59:02,359 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2023-11-19 02:59:02,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 02:59:02,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:59:02,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:59:02,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:59:02,414 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:59:02,416 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:59:02,479 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 02:59:02,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:59:02,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 37 states and 67 transitions. [2023-11-19 02:59:02,649 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 67 transitions. [2023-11-19 02:59:02,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 02:59:02,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:59:02,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:59:02,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:59:02,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 02:59:02,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:59:02,823 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 02:59:02,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:59:03,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 39 states and 70 transitions. [2023-11-19 02:59:03,001 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2023-11-19 02:59:03,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 02:59:03,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:59:03,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:59:03,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:59:03,053 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:59:03,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:59:03,142 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-11-19 02:59:03,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:59:03,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 71 transitions. [2023-11-19 02:59:03,385 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 71 transitions. [2023-11-19 02:59:03,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 02:59:03,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:59:03,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:59:03,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:59:03,422 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 02:59:03,424 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:59:03,561 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 14 proven. 11 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-19 02:59:03,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:59:03,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 41 states and 73 transitions. [2023-11-19 02:59:03,939 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 73 transitions. [2023-11-19 02:59:03,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 02:59:03,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:59:03,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:59:03,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:59:03,975 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:59:03,986 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:59:04,114 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 31 proven. 7 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2023-11-19 02:59:05,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:59:05,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 41 states and 72 transitions. [2023-11-19 02:59:05,314 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 72 transitions. [2023-11-19 02:59:05,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 02:59:05,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:59:05,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:59:05,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:59:05,358 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 02:59:05,361 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:59:05,493 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-19 02:59:05,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:59:05,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 42 states and 75 transitions. [2023-11-19 02:59:05,806 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2023-11-19 02:59:05,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 02:59:05,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:59:05,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:59:05,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:59:05,843 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 02:59:05,845 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:59:05,918 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 18 proven. 15 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-19 02:59:06,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:59:06,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 45 states and 82 transitions. [2023-11-19 02:59:06,125 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 82 transitions. [2023-11-19 02:59:06,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 02:59:06,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:59:06,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:59:06,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:59:06,161 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:59:06,163 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:59:06,462 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 29 proven. 10 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-19 02:59:07,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:59:07,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 34 states and 51 transitions. [2023-11-19 02:59:07,585 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 51 transitions. [2023-11-19 02:59:07,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 02:59:07,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:59:07,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:59:07,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:59:07,634 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:59:07,636 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:59:07,663 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 44 proven. 7 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2023-11-19 02:59:07,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:59:07,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 29 states and 46 transitions. [2023-11-19 02:59:07,910 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2023-11-19 02:59:07,910 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 02:59:07,911 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 19 iterations. [2023-11-19 02:59:07,921 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 02:59:08,462 INFO L560 CodeCheckObserver]: Invariant with dag size 23 [2023-11-19 02:59:08,471 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:59:08,471 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:59:08 ImpRootNode [2023-11-19 02:59:08,471 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:59:08,472 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:59:08,472 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:59:08,473 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:59:08,473 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:58:58" (3/4) ... [2023-11-19 02:59:08,475 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 02:59:08,479 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-19 02:59:08,483 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-19 02:59:08,484 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-19 02:59:08,484 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 02:59:08,484 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 02:59:08,576 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0df17a-8641-47ab-a249-461927722486/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 02:59:08,576 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0df17a-8641-47ab-a249-461927722486/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 02:59:08,577 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:59:08,577 INFO L158 Benchmark]: Toolchain (without parser) took 11090.28ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 112.8MB in the beginning and 77.0MB in the end (delta: 35.7MB). Peak memory consumption was 70.7MB. Max. memory is 16.1GB. [2023-11-19 02:59:08,578 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 153.1MB. Free memory was 117.4MB in the beginning and 117.3MB in the end (delta: 88.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:59:08,578 INFO L158 Benchmark]: CACSL2BoogieTranslator took 318.59ms. Allocated memory is still 153.1MB. Free memory was 112.8MB in the beginning and 101.9MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 02:59:08,585 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.98ms. Allocated memory is still 153.1MB. Free memory was 101.9MB in the beginning and 100.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:59:08,586 INFO L158 Benchmark]: Boogie Preprocessor took 25.72ms. Allocated memory is still 153.1MB. Free memory was 100.2MB in the beginning and 99.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:59:08,586 INFO L158 Benchmark]: RCFGBuilder took 542.70ms. Allocated memory is still 153.1MB. Free memory was 99.2MB in the beginning and 86.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 02:59:08,587 INFO L158 Benchmark]: CodeCheck took 10052.65ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 86.5MB in the beginning and 82.3MB in the end (delta: 4.3MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. [2023-11-19 02:59:08,591 INFO L158 Benchmark]: Witness Printer took 104.63ms. Allocated memory is still 184.5MB. Free memory was 82.3MB in the beginning and 77.0MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 02:59:08,595 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.4s, OverallIterations: 19, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 755 SdHoareTripleChecker+Valid, 8.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 294 mSDsluCounter, 916 SdHoareTripleChecker+Invalid, 7.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 390 mSDsCounter, 1445 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3407 IncrementalHoareTripleChecker+Invalid, 4852 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1445 mSolverCounterUnsat, 526 mSDtfsCounter, 3407 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5041 GetRequests, 4805 SyntacticMatches, 128 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4900 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 639 NumberOfCodeBlocks, 639 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 621 ConstructedInterpolants, 0 QuantifiedInterpolants, 1793 SizeOfPredicates, 25 NumberOfNonLiveVariables, 1713 ConjunctsInSsa, 208 ConjunctsInUnsatCore, 18 InterpolantComputations, 6 PerfectInterpolantSequences, 1322/1438 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 - PositiveResult [Line: 14]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((!(((3 == t) && (a == 1))) && !(((5 == t) && (2 == a)))) || ((a == 1) && (s == 4))) || ((9 == s) && (2 == a))) - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 153.1MB. Free memory was 117.4MB in the beginning and 117.3MB in the end (delta: 88.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 318.59ms. Allocated memory is still 153.1MB. Free memory was 112.8MB in the beginning and 101.9MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.98ms. Allocated memory is still 153.1MB. Free memory was 101.9MB in the beginning and 100.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.72ms. Allocated memory is still 153.1MB. Free memory was 100.2MB in the beginning and 99.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 542.70ms. Allocated memory is still 153.1MB. Free memory was 99.2MB in the beginning and 86.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 10052.65ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 86.5MB in the beginning and 82.3MB in the end (delta: 4.3MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. * Witness Printer took 104.63ms. Allocated memory is still 184.5MB. Free memory was 82.3MB in the beginning and 77.0MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 02:59:08,616 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0df17a-8641-47ab-a249-461927722486/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 Result: TRUE