./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound2.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_cb7343c3-ce17-4689-916f-d7287fb0ce1c/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb7343c3-ce17-4689-916f-d7287fb0ce1c/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb7343c3-ce17-4689-916f-d7287fb0ce1c/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb7343c3-ce17-4689-916f-d7287fb0ce1c/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb7343c3-ce17-4689-916f-d7287fb0ce1c/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb7343c3-ce17-4689-916f-d7287fb0ce1c/bin/ukojak-verify-afCqCEvfdi --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 d6c389695f28ab23288d12eab23e55426fe9ec0f0b8fe9723cca18e00c3db8b7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:12:31,607 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:12:31,691 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb7343c3-ce17-4689-916f-d7287fb0ce1c/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:12:31,697 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:12:31,698 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:12:31,724 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:12:31,726 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:12:31,726 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:12:31,727 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:12:31,728 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:12:31,729 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:12:31,730 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:12:31,730 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:12:31,731 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:12:31,732 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:12:31,732 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:12:31,733 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:12:31,734 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:12:31,734 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:12:31,735 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:12:31,736 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:12:31,737 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:12:31,737 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:12:31,738 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:12:31,739 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:12:31,740 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:12:31,740 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:12:31,741 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:12:31,742 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:12:31,742 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:12:31,743 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:12:31,743 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:12:31,744 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:12:31,745 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_cb7343c3-ce17-4689-916f-d7287fb0ce1c/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb7343c3-ce17-4689-916f-d7287fb0ce1c/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6c389695f28ab23288d12eab23e55426fe9ec0f0b8fe9723cca18e00c3db8b7 [2023-11-24 23:12:32,088 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:12:32,114 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:12:32,117 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:12:32,119 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:12:32,120 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:12:32,122 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb7343c3-ce17-4689-916f-d7287fb0ce1c/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound2.c [2023-11-24 23:12:35,403 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:12:35,644 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:12:35,645 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb7343c3-ce17-4689-916f-d7287fb0ce1c/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound2.c [2023-11-24 23:12:35,657 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb7343c3-ce17-4689-916f-d7287fb0ce1c/bin/ukojak-verify-afCqCEvfdi/data/8455b89cf/878605f72e3040bd9a7fb886b6276133/FLAGcb2388d06 [2023-11-24 23:12:35,679 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb7343c3-ce17-4689-916f-d7287fb0ce1c/bin/ukojak-verify-afCqCEvfdi/data/8455b89cf/878605f72e3040bd9a7fb886b6276133 [2023-11-24 23:12:35,686 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:12:35,689 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:12:35,692 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:12:35,693 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:12:35,698 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:12:35,699 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:12:35" (1/1) ... [2023-11-24 23:12:35,702 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@182aedbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:35, skipping insertion in model container [2023-11-24 23:12:35,702 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:12:35" (1/1) ... [2023-11-24 23:12:35,732 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:12:35,894 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_cb7343c3-ce17-4689-916f-d7287fb0ce1c/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound2.c[520,533] [2023-11-24 23:12:35,914 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:12:35,927 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:12:35,943 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_cb7343c3-ce17-4689-916f-d7287fb0ce1c/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound2.c[520,533] [2023-11-24 23:12:35,974 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:12:35,990 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:12:35,991 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:35 WrapperNode [2023-11-24 23:12:35,991 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:12:35,993 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:12:35,993 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:12:35,993 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:12:36,003 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:35" (1/1) ... [2023-11-24 23:12:36,011 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:35" (1/1) ... [2023-11-24 23:12:36,034 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2023-11-24 23:12:36,035 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:12:36,036 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:12:36,036 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:12:36,037 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:12:36,048 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:35" (1/1) ... [2023-11-24 23:12:36,049 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:35" (1/1) ... [2023-11-24 23:12:36,050 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:35" (1/1) ... [2023-11-24 23:12:36,051 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:35" (1/1) ... [2023-11-24 23:12:36,055 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:35" (1/1) ... [2023-11-24 23:12:36,059 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:35" (1/1) ... [2023-11-24 23:12:36,060 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:35" (1/1) ... [2023-11-24 23:12:36,061 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:35" (1/1) ... [2023-11-24 23:12:36,063 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:12:36,064 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:12:36,065 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:12:36,065 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:12:36,066 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:35" (1/1) ... [2023-11-24 23:12:36,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:12:36,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb7343c3-ce17-4689-916f-d7287fb0ce1c/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:12:36,118 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb7343c3-ce17-4689-916f-d7287fb0ce1c/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:12:36,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb7343c3-ce17-4689-916f-d7287fb0ce1c/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:12:36,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:12:36,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:12:36,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:12:36,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:12:36,162 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:12:36,162 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:12:36,240 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:12:36,243 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:12:36,439 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:12:36,489 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:12:36,489 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:12:36,491 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:12:36 BoogieIcfgContainer [2023-11-24 23:12:36,492 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:12:36,494 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:12:36,494 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:12:36,507 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:12:36,508 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:12:36" (1/1) ... [2023-11-24 23:12:36,520 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:12:36,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:36,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 18 states and 26 transitions. [2023-11-24 23:12:36,620 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 26 transitions. [2023-11-24 23:12:36,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:12:36,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:36,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:36,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:36,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:36,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:36,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2023-11-24 23:12:36,953 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2023-11-24 23:12:36,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:12:36,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:36,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:36,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:37,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:37,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:37,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2023-11-24 23:12:37,178 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2023-11-24 23:12:37,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:12:37,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:37,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:37,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:37,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:37,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:37,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 25 states and 38 transitions. [2023-11-24 23:12:37,764 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 38 transitions. [2023-11-24 23:12:37,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:12:37,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:37,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:37,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:37,837 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-24 23:12:37,845 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:38,109 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:39,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:39,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 29 states and 46 transitions. [2023-11-24 23:12:39,011 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2023-11-24 23:12:39,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:12:39,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:39,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:39,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:39,042 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-24 23:12:39,045 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:39,155 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:12:39,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:39,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 30 states and 49 transitions. [2023-11-24 23:12:39,330 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 49 transitions. [2023-11-24 23:12:39,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:12:39,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:39,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:39,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:39,377 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:12:39,380 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:39,421 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:12:39,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:39,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 33 states and 55 transitions. [2023-11-24 23:12:39,579 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2023-11-24 23:12:39,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 23:12:39,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:39,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:39,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:39,637 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:12:39,639 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:39,818 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:12:41,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:41,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 43 states and 85 transitions. [2023-11-24 23:12:41,165 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 85 transitions. [2023-11-24 23:12:41,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 23:12:41,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:41,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:41,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:41,196 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 23:12:41,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:41,371 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:12:42,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:42,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 46 states and 90 transitions. [2023-11-24 23:12:42,088 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 90 transitions. [2023-11-24 23:12:42,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 23:12:42,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:42,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:42,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:42,118 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:12:42,120 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:42,213 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 23:12:42,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:42,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 48 states and 97 transitions. [2023-11-24 23:12:42,757 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 97 transitions. [2023-11-24 23:12:42,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 23:12:42,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:42,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:42,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:42,796 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 23:12:42,798 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:42,933 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 7 proven. 14 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 23:12:44,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:44,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 52 states and 108 transitions. [2023-11-24 23:12:44,101 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 108 transitions. [2023-11-24 23:12:44,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 23:12:44,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:44,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:44,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:44,169 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 23:12:44,172 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:44,288 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 7 proven. 14 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 23:12:44,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:44,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 52 states and 107 transitions. [2023-11-24 23:12:44,919 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 107 transitions. [2023-11-24 23:12:44,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 23:12:44,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:44,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:44,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:44,951 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:12:44,953 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:45,135 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-24 23:12:45,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:45,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 52 states and 106 transitions. [2023-11-24 23:12:45,936 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 106 transitions. [2023-11-24 23:12:45,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 23:12:45,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:45,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:45,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:45,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-24 23:12:45,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:46,156 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 9 proven. 18 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-24 23:12:46,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:46,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 53 states and 114 transitions. [2023-11-24 23:12:46,741 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 114 transitions. [2023-11-24 23:12:46,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-24 23:12:46,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:46,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:46,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:46,780 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:12:46,782 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:46,812 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-24 23:12:47,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:47,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 54 states and 116 transitions. [2023-11-24 23:12:47,067 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 116 transitions. [2023-11-24 23:12:47,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-24 23:12:47,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:47,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:47,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:47,130 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:12:47,136 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:47,429 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 58 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-24 23:12:49,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:49,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 65 states and 156 transitions. [2023-11-24 23:12:49,638 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 156 transitions. [2023-11-24 23:12:49,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-24 23:12:49,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:49,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:49,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:49,685 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-24 23:12:49,687 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:49,855 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-24 23:12:50,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:50,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 68 states and 162 transitions. [2023-11-24 23:12:50,952 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 162 transitions. [2023-11-24 23:12:50,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-24 23:12:50,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:50,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:50,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:50,992 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:12:50,994 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:51,212 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 58 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-24 23:12:51,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:51,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 38 states and 63 transitions. [2023-11-24 23:12:51,997 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2023-11-24 23:12:51,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-24 23:12:51,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:51,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:52,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:52,036 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:12:52,038 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:52,069 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-11-24 23:12:52,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:52,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 38 states and 62 transitions. [2023-11-24 23:12:52,314 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2023-11-24 23:12:52,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-24 23:12:52,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:52,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:52,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:52,360 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-24 23:12:52,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:52,979 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 13 proven. 29 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-24 23:12:53,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:53,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 32 states and 51 transitions. [2023-11-24 23:12:53,686 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 51 transitions. [2023-11-24 23:12:53,688 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 23:12:53,689 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 20 iterations. [2023-11-24 23:12:53,699 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-24 23:12:54,128 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 23:12:54,132 INFO L560 CodeCheckObserver]: Invariant with dag size 29 [2023-11-24 23:12:54,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:12:54 ImpRootNode [2023-11-24 23:12:54,137 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:12:54,138 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:12:54,138 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:12:54,138 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:12:54,138 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:12:36" (3/4) ... [2023-11-24 23:12:54,141 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 23:12:54,145 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-24 23:12:54,149 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-11-24 23:12:54,149 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-24 23:12:54,150 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-24 23:12:54,150 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 23:12:54,247 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb7343c3-ce17-4689-916f-d7287fb0ce1c/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 23:12:54,248 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb7343c3-ce17-4689-916f-d7287fb0ce1c/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 23:12:54,248 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:12:54,249 INFO L158 Benchmark]: Toolchain (without parser) took 18560.44ms. Allocated memory was 121.6MB in the beginning and 195.0MB in the end (delta: 73.4MB). Free memory was 78.2MB in the beginning and 80.5MB in the end (delta: -2.3MB). Peak memory consumption was 74.2MB. Max. memory is 16.1GB. [2023-11-24 23:12:54,250 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 121.6MB. Free memory was 93.3MB in the beginning and 93.2MB in the end (delta: 86.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:12:54,251 INFO L158 Benchmark]: CACSL2BoogieTranslator took 299.47ms. Allocated memory is still 121.6MB. Free memory was 77.9MB in the beginning and 67.3MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:12:54,251 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.81ms. Allocated memory is still 121.6MB. Free memory was 67.3MB in the beginning and 65.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:12:54,252 INFO L158 Benchmark]: Boogie Preprocessor took 27.47ms. Allocated memory is still 121.6MB. Free memory was 65.7MB in the beginning and 64.7MB in the end (delta: 974.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:12:54,252 INFO L158 Benchmark]: RCFGBuilder took 427.59ms. Allocated memory is still 121.6MB. Free memory was 64.7MB in the beginning and 54.0MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:12:54,253 INFO L158 Benchmark]: CodeCheck took 17643.37ms. Allocated memory was 121.6MB in the beginning and 195.0MB in the end (delta: 73.4MB). Free memory was 53.7MB in the beginning and 84.7MB in the end (delta: -31.0MB). Peak memory consumption was 44.8MB. Max. memory is 16.1GB. [2023-11-24 23:12:54,253 INFO L158 Benchmark]: Witness Printer took 110.91ms. Allocated memory is still 195.0MB. Free memory was 84.7MB in the beginning and 80.5MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:12:54,256 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, 18 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 17.1s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 983 SdHoareTripleChecker+Valid, 15.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 444 mSDsluCounter, 663 SdHoareTripleChecker+Invalid, 12.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 218 mSDsCounter, 1991 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5926 IncrementalHoareTripleChecker+Invalid, 7917 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1991 mSolverCounterUnsat, 445 mSDtfsCounter, 5926 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5091 GetRequests, 4731 SyntacticMatches, 160 SemanticMatches, 200 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20059 ImplicationChecksByTransitivity, 12.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 542 NumberOfCodeBlocks, 542 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 523 ConstructedInterpolants, 0 QuantifiedInterpolants, 1650 SizeOfPredicates, 35 NumberOfNonLiveVariables, 1553 ConjunctsInSsa, 236 ConjunctsInUnsatCore, 19 InterpolantComputations, 3 PerfectInterpolantSequences, 684/818 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: 46]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((((a == 1) && (s == 4)) || ((9 == s) && (2 == a))) || (!(((5 == t) && (2 == a))) && (1 < counter))) || (counter == 0)) || (!(((3 == t) && (a == 1))) && (counter <= 1))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 121.6MB. Free memory was 93.3MB in the beginning and 93.2MB in the end (delta: 86.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 299.47ms. Allocated memory is still 121.6MB. Free memory was 77.9MB in the beginning and 67.3MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.81ms. Allocated memory is still 121.6MB. Free memory was 67.3MB in the beginning and 65.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.47ms. Allocated memory is still 121.6MB. Free memory was 65.7MB in the beginning and 64.7MB in the end (delta: 974.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 427.59ms. Allocated memory is still 121.6MB. Free memory was 64.7MB in the beginning and 54.0MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 17643.37ms. Allocated memory was 121.6MB in the beginning and 195.0MB in the end (delta: 73.4MB). Free memory was 53.7MB in the beginning and 84.7MB in the end (delta: -31.0MB). Peak memory consumption was 44.8MB. Max. memory is 16.1GB. * Witness Printer took 110.91ms. Allocated memory is still 195.0MB. Free memory was 84.7MB in the beginning and 80.5MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-24 23:12:54,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb7343c3-ce17-4689-916f-d7287fb0ce1c/bin/ukojak-verify-afCqCEvfdi/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