./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_b0c55f25-3f22-45f0-8bba-7936ca551008/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0c55f25-3f22-45f0-8bba-7936ca551008/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0c55f25-3f22-45f0-8bba-7936ca551008/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0c55f25-3f22-45f0-8bba-7936ca551008/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0c55f25-3f22-45f0-8bba-7936ca551008/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0c55f25-3f22-45f0-8bba-7936ca551008/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 53086523abe0dc699ccd28b0916f17f8825d4641577f06835b9d81e9579a444f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:00:00,514 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:00:00,582 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0c55f25-3f22-45f0-8bba-7936ca551008/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 03:00:00,587 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:00:00,588 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:00:00,612 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:00:00,613 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:00:00,613 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:00:00,614 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:00:00,615 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:00:00,615 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:00:00,616 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:00:00,616 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:00:00,617 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:00:00,617 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:00:00,618 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:00:00,618 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:00:00,619 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:00:00,619 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:00:00,620 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:00:00,620 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:00:00,623 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:00:00,623 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:00:00,624 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:00:00,624 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:00:00,624 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:00:00,625 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:00:00,625 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:00:00,626 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:00:00,626 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:00:00,626 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:00:00,627 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:00:00,627 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:00:00,627 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_b0c55f25-3f22-45f0-8bba-7936ca551008/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0c55f25-3f22-45f0-8bba-7936ca551008/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 53086523abe0dc699ccd28b0916f17f8825d4641577f06835b9d81e9579a444f [2023-12-03 03:00:00,846 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:00:00,867 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:00:00,869 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:00:00,871 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:00:00,871 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:00:00,872 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0c55f25-3f22-45f0-8bba-7936ca551008/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound10.c [2023-12-03 03:00:03,580 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:00:03,781 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:00:03,782 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0c55f25-3f22-45f0-8bba-7936ca551008/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound10.c [2023-12-03 03:00:03,790 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0c55f25-3f22-45f0-8bba-7936ca551008/bin/ukojak-verify-Qdu7aM0XO9/data/9d0e211d3/7dade1df82eb403ca09e245a9d65f85e/FLAGd7c67f9cb [2023-12-03 03:00:03,804 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0c55f25-3f22-45f0-8bba-7936ca551008/bin/ukojak-verify-Qdu7aM0XO9/data/9d0e211d3/7dade1df82eb403ca09e245a9d65f85e [2023-12-03 03:00:03,807 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:00:03,809 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:00:03,810 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:00:03,810 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:00:03,815 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:00:03,816 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:00:03" (1/1) ... [2023-12-03 03:00:03,817 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4270509b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:00:03, skipping insertion in model container [2023-12-03 03:00:03,818 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:00:03" (1/1) ... [2023-12-03 03:00:03,839 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:00:03,990 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_b0c55f25-3f22-45f0-8bba-7936ca551008/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound10.c[458,471] [2023-12-03 03:00:04,005 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:00:04,016 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:00:04,031 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_b0c55f25-3f22-45f0-8bba-7936ca551008/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound10.c[458,471] [2023-12-03 03:00:04,037 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:00:04,050 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:00:04,050 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:00:04 WrapperNode [2023-12-03 03:00:04,050 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:00:04,052 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:00:04,052 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:00:04,052 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:00:04,059 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:00:04" (1/1) ... [2023-12-03 03:00:04,066 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:00:04" (1/1) ... [2023-12-03 03:00:04,083 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 38 [2023-12-03 03:00:04,084 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:00:04,085 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:00:04,085 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:00:04,085 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:00:04,093 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:00:04" (1/1) ... [2023-12-03 03:00:04,093 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:00:04" (1/1) ... [2023-12-03 03:00:04,094 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:00:04" (1/1) ... [2023-12-03 03:00:04,095 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:00:04" (1/1) ... [2023-12-03 03:00:04,097 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:00:04" (1/1) ... [2023-12-03 03:00:04,101 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:00:04" (1/1) ... [2023-12-03 03:00:04,102 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:00:04" (1/1) ... [2023-12-03 03:00:04,102 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:00:04" (1/1) ... [2023-12-03 03:00:04,104 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:00:04,105 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:00:04,105 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:00:04,105 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:00:04,106 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:00:04" (1/1) ... [2023-12-03 03:00:04,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:00:04,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0c55f25-3f22-45f0-8bba-7936ca551008/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:00:04,138 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0c55f25-3f22-45f0-8bba-7936ca551008/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:00:04,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0c55f25-3f22-45f0-8bba-7936ca551008/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:00:04,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:00:04,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:00:04,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:00:04,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:00:04,171 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 03:00:04,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 03:00:04,224 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:00:04,225 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:00:04,337 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:00:04,373 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:00:04,373 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 03:00:04,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:00:04 BoogieIcfgContainer [2023-12-03 03:00:04,374 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:00:04,375 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:00:04,375 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:00:04,383 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:00:04,383 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:00:04" (1/1) ... [2023-12-03 03:00:04,389 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:00:04,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:04,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2023-12-03 03:00:04,436 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2023-12-03 03:00:04,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 03:00:04,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:04,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:04,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:04,548 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:00:04,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:04,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:00:05,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:05,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2023-12-03 03:00:05,206 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2023-12-03 03:00:05,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 03:00:05,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:05,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:05,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:05,240 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 03:00:05,242 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:05,271 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:00:05,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:05,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2023-12-03 03:00:05,313 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2023-12-03 03:00:05,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 03:00:05,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:05,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:05,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:05,345 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 03:00:05,347 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:05,407 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:00:05,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:05,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2023-12-03 03:00:05,549 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2023-12-03 03:00:05,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 03:00:05,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:05,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:05,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:05,576 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 03:00:05,579 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:05,723 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:00:05,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:05,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 27 states and 44 transitions. [2023-12-03 03:00:05,948 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 44 transitions. [2023-12-03 03:00:05,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 03:00:05,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:05,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:05,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:05,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-03 03:00:05,980 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:06,119 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:00:06,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:06,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 34 states and 61 transitions. [2023-12-03 03:00:06,563 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2023-12-03 03:00:06,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 03:00:06,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:06,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:06,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:06,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-03 03:00:06,597 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:06,696 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:00:06,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:06,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 37 states and 67 transitions. [2023-12-03 03:00:06,958 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 67 transitions. [2023-12-03 03:00:06,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 03:00:06,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:06,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:06,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:06,988 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 03:00:06,990 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:07,031 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 03:00:07,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:07,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 38 states and 69 transitions. [2023-12-03 03:00:07,180 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 69 transitions. [2023-12-03 03:00:07,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 03:00:07,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:07,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:07,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:07,213 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-03 03:00:07,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:07,392 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 5 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 03:00:08,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:08,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 45 states and 84 transitions. [2023-12-03 03:00:08,038 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 84 transitions. [2023-12-03 03:00:08,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 03:00:08,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:08,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:08,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:08,091 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-03 03:00:08,093 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:08,194 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 8 proven. 19 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 03:00:08,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:08,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 48 states and 90 transitions. [2023-12-03 03:00:08,484 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 90 transitions. [2023-12-03 03:00:08,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 03:00:08,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:08,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:08,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:08,515 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 03:00:08,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:08,550 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:00:08,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:08,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 49 states and 92 transitions. [2023-12-03 03:00:08,743 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 92 transitions. [2023-12-03 03:00:08,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-03 03:00:08,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:08,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:08,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:08,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 28 conjunts are in the unsatisfiable core [2023-12-03 03:00:08,780 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:08,993 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 13 proven. 22 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-03 03:00:09,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:09,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 56 states and 107 transitions. [2023-12-03 03:00:09,775 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 107 transitions. [2023-12-03 03:00:09,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 03:00:09,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:09,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:09,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:09,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 31 conjunts are in the unsatisfiable core [2023-12-03 03:00:09,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:09,984 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 13 proven. 30 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-03 03:00:10,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:10,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 59 states and 113 transitions. [2023-12-03 03:00:10,308 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 113 transitions. [2023-12-03 03:00:10,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 03:00:10,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:10,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:10,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:10,340 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 03:00:10,342 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:10,376 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-12-03 03:00:10,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:10,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 60 states and 115 transitions. [2023-12-03 03:00:10,595 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 115 transitions. [2023-12-03 03:00:10,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-03 03:00:10,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:10,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:10,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:10,632 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-03 03:00:10,634 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:10,887 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 18 proven. 34 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-03 03:00:11,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:11,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 67 states and 130 transitions. [2023-12-03 03:00:11,823 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 130 transitions. [2023-12-03 03:00:11,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 03:00:11,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:11,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:11,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:11,928 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 35 conjunts are in the unsatisfiable core [2023-12-03 03:00:11,930 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:12,061 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 18 proven. 44 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-03 03:00:12,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:12,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 70 states and 136 transitions. [2023-12-03 03:00:12,448 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 136 transitions. [2023-12-03 03:00:12,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-03 03:00:12,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:12,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:12,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:12,476 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 03:00:12,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:12,503 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 27 proven. 4 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-12-03 03:00:12,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:12,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 71 states and 138 transitions. [2023-12-03 03:00:12,723 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 138 transitions. [2023-12-03 03:00:12,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 03:00:12,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:12,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:12,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:12,764 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 36 conjunts are in the unsatisfiable core [2023-12-03 03:00:12,766 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:13,030 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 23 proven. 49 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-12-03 03:00:14,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:14,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 78 states and 153 transitions. [2023-12-03 03:00:14,053 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 153 transitions. [2023-12-03 03:00:14,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 03:00:14,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:14,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:15,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:15,352 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 39 conjunts are in the unsatisfiable core [2023-12-03 03:00:15,353 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:15,492 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 23 proven. 61 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-12-03 03:00:15,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:15,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 81 states and 159 transitions. [2023-12-03 03:00:15,959 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 159 transitions. [2023-12-03 03:00:15,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:00:15,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:15,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:15,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:15,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 03:00:15,986 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:16,010 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 33 proven. 4 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2023-12-03 03:00:16,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:16,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 82 states and 161 transitions. [2023-12-03 03:00:16,237 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 161 transitions. [2023-12-03 03:00:16,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:00:16,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:16,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:16,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:16,279 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 40 conjunts are in the unsatisfiable core [2023-12-03 03:00:16,281 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:16,551 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 28 proven. 67 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-03 03:00:17,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:17,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 89 states and 176 transitions. [2023-12-03 03:00:17,746 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 176 transitions. [2023-12-03 03:00:17,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 03:00:17,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:17,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:20,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:20,566 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 43 conjunts are in the unsatisfiable core [2023-12-03 03:00:20,568 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:20,728 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 28 proven. 81 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-03 03:00:21,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:21,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 92 states and 182 transitions. [2023-12-03 03:00:21,242 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 182 transitions. [2023-12-03 03:00:21,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 03:00:21,243 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:21,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:21,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:21,272 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 03:00:21,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:21,293 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 39 proven. 4 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-12-03 03:00:21,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:21,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 93 states and 184 transitions. [2023-12-03 03:00:21,559 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 184 transitions. [2023-12-03 03:00:21,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 03:00:21,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:21,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:21,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:21,600 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 44 conjunts are in the unsatisfiable core [2023-12-03 03:00:21,602 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:21,927 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 33 proven. 88 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-12-03 03:00:23,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:23,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 100 states and 199 transitions. [2023-12-03 03:00:23,318 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 199 transitions. [2023-12-03 03:00:23,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 03:00:23,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:23,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:24,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:24,282 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 44 conjunts are in the unsatisfiable core [2023-12-03 03:00:24,283 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:24,758 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 50 proven. 102 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2023-12-03 03:00:25,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:25,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 103 states and 205 transitions. [2023-12-03 03:00:25,706 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 205 transitions. [2023-12-03 03:00:25,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 03:00:25,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:25,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:25,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:25,738 INFO L262 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 03:00:25,740 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:25,764 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 45 proven. 4 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2023-12-03 03:00:26,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:26,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 104 states and 207 transitions. [2023-12-03 03:00:26,091 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 207 transitions. [2023-12-03 03:00:26,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:00:26,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:26,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:26,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:26,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 48 conjunts are in the unsatisfiable core [2023-12-03 03:00:26,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:26,528 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 38 proven. 112 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-12-03 03:00:28,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:28,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 111 states and 222 transitions. [2023-12-03 03:00:28,105 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 222 transitions. [2023-12-03 03:00:28,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-03 03:00:28,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:28,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:34,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:34,658 INFO L262 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 38 conjunts are in the unsatisfiable core [2023-12-03 03:00:34,659 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:34,965 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 58 proven. 128 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2023-12-03 03:00:35,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:35,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 114 states and 228 transitions. [2023-12-03 03:00:35,758 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 228 transitions. [2023-12-03 03:00:35,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 03:00:35,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:35,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:35,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:35,794 INFO L262 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 03:00:35,796 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:35,819 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 51 proven. 4 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2023-12-03 03:00:36,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:36,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 115 states and 230 transitions. [2023-12-03 03:00:36,170 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 230 transitions. [2023-12-03 03:00:36,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-03 03:00:36,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:36,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:36,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:36,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 52 conjunts are in the unsatisfiable core [2023-12-03 03:00:36,226 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:36,609 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 43 proven. 139 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2023-12-03 03:00:38,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:38,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 122 states and 245 transitions. [2023-12-03 03:00:38,443 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 245 transitions. [2023-12-03 03:00:38,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-03 03:00:38,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:38,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:46,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:46,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 41 conjunts are in the unsatisfiable core [2023-12-03 03:00:46,749 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:47,076 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 66 proven. 157 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2023-12-03 03:00:47,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:47,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 125 states and 251 transitions. [2023-12-03 03:00:47,951 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 251 transitions. [2023-12-03 03:00:47,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-03 03:00:47,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:47,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:47,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:47,993 INFO L262 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 03:00:47,994 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:48,014 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 57 proven. 4 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2023-12-03 03:00:48,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:48,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 126 states and 253 transitions. [2023-12-03 03:00:48,413 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 253 transitions. [2023-12-03 03:00:48,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-03 03:00:48,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:48,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:48,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:48,463 INFO L262 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 45 conjunts are in the unsatisfiable core [2023-12-03 03:00:48,465 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:49,821 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 48 proven. 169 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-12-03 03:00:55,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:55,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 160 states and 305 transitions. [2023-12-03 03:00:56,000 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 305 transitions. [2023-12-03 03:00:56,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-03 03:00:56,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:56,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:56,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:56,041 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 03:00:56,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:57,647 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 209 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-12-03 03:01:00,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:01:00,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 59 states and 92 transitions. [2023-12-03 03:01:00,094 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 92 transitions. [2023-12-03 03:01:00,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-03 03:01:00,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:01:00,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:01:00,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:01:00,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 03:01:00,135 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:01:00,156 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 63 proven. 4 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2023-12-03 03:01:00,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:01:00,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 52 states and 83 transitions. [2023-12-03 03:01:00,786 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 83 transitions. [2023-12-03 03:01:00,786 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 03:01:00,786 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 35 iterations. [2023-12-03 03:01:00,793 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-03 03:01:01,163 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 03:01:01,166 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 03:01:01,167 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:01:01 ImpRootNode [2023-12-03 03:01:01,167 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:01:01,167 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:01:01,167 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:01:01,167 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:01:01,168 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:00:04" (3/4) ... [2023-12-03 03:01:01,169 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 03:01:01,172 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-12-03 03:01:01,174 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-12-03 03:01:01,175 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-12-03 03:01:01,175 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-03 03:01:01,175 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 03:01:01,237 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0c55f25-3f22-45f0-8bba-7936ca551008/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 03:01:01,237 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0c55f25-3f22-45f0-8bba-7936ca551008/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 03:01:01,237 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:01:01,238 INFO L158 Benchmark]: Toolchain (without parser) took 57429.40ms. Allocated memory was 127.9MB in the beginning and 224.4MB in the end (delta: 96.5MB). Free memory was 98.7MB in the beginning and 115.6MB in the end (delta: -16.9MB). Peak memory consumption was 81.7MB. Max. memory is 16.1GB. [2023-12-03 03:01:01,238 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 127.9MB. Free memory is still 84.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:01:01,239 INFO L158 Benchmark]: CACSL2BoogieTranslator took 240.74ms. Allocated memory is still 127.9MB. Free memory was 98.5MB in the beginning and 87.9MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 03:01:01,239 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.47ms. Allocated memory is still 127.9MB. Free memory was 87.9MB in the beginning and 86.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:01:01,239 INFO L158 Benchmark]: Boogie Preprocessor took 19.59ms. Allocated memory is still 127.9MB. Free memory was 86.3MB in the beginning and 85.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:01:01,240 INFO L158 Benchmark]: RCFGBuilder took 269.50ms. Allocated memory is still 127.9MB. Free memory was 85.2MB in the beginning and 73.6MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 03:01:01,240 INFO L158 Benchmark]: CodeCheck took 56791.72ms. Allocated memory was 127.9MB in the beginning and 224.4MB in the end (delta: 96.5MB). Free memory was 73.6MB in the beginning and 119.8MB in the end (delta: -46.2MB). Peak memory consumption was 52.3MB. Max. memory is 16.1GB. [2023-12-03 03:01:01,240 INFO L158 Benchmark]: Witness Printer took 70.35ms. Allocated memory is still 224.4MB. Free memory was 119.8MB in the beginning and 115.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 03:01:01,242 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, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 56.4s, OverallIterations: 35, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3437 SdHoareTripleChecker+Valid, 50.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2718 mSDsluCounter, 3029 SdHoareTripleChecker+Invalid, 46.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2498 mSDsCounter, 7032 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16486 IncrementalHoareTripleChecker+Invalid, 23518 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7032 mSolverCounterUnsat, 531 mSDtfsCounter, 16486 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14098 GetRequests, 13465 SyntacticMatches, 235 SemanticMatches, 398 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74398 ImplicationChecksByTransitivity, 29.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 20.5s SatisfiabilityAnalysisTime, 8.0s InterpolantComputationTime, 1623 NumberOfCodeBlocks, 1623 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 1589 ConstructedInterpolants, 0 QuantifiedInterpolants, 5209 SizeOfPredicates, 86 NumberOfNonLiveVariables, 4671 ConjunctsInSsa, 856 ConjunctsInUnsatCore, 34 InterpolantComputations, 3 PerfectInterpolantSequences, 4052/5434 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: 12]: 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: 27]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 38]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 127.9MB. Free memory is still 84.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 240.74ms. Allocated memory is still 127.9MB. Free memory was 98.5MB in the beginning and 87.9MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.47ms. Allocated memory is still 127.9MB. Free memory was 87.9MB in the beginning and 86.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.59ms. Allocated memory is still 127.9MB. Free memory was 86.3MB in the beginning and 85.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 269.50ms. Allocated memory is still 127.9MB. Free memory was 85.2MB in the beginning and 73.6MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 56791.72ms. Allocated memory was 127.9MB in the beginning and 224.4MB in the end (delta: 96.5MB). Free memory was 73.6MB in the beginning and 119.8MB in the end (delta: -46.2MB). Peak memory consumption was 52.3MB. Max. memory is 16.1GB. * Witness Printer took 70.35ms. Allocated memory is still 224.4MB. Free memory was 119.8MB in the beginning and 115.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-03 03:01:01,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0c55f25-3f22-45f0-8bba-7936ca551008/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE