./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u2_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_93c41d2d-0c93-4e85-beae-b3c449806368/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93c41d2d-0c93-4e85-beae-b3c449806368/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_93c41d2d-0c93-4e85-beae-b3c449806368/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93c41d2d-0c93-4e85-beae-b3c449806368/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u2_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93c41d2d-0c93-4e85-beae-b3c449806368/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93c41d2d-0c93-4e85-beae-b3c449806368/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4751d3eb3f8125549e47ad071da84be7a54e1805eb31936796833555d65c49e8 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:24:05,703 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:24:05,787 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93c41d2d-0c93-4e85-beae-b3c449806368/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 04:24:05,792 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:24:05,793 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:24:05,832 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:24:05,833 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:24:05,833 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:24:05,834 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:24:05,835 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:24:05,835 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:24:05,836 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:24:05,837 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:24:05,837 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:24:05,838 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:24:05,838 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:24:05,839 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:24:05,839 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:24:05,840 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:24:05,840 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 04:24:05,840 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 04:24:05,841 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:24:05,841 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:24:05,842 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:24:05,842 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:24:05,843 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:24:05,843 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:24:05,844 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:24:05,844 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:24:05,844 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:24:05,845 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:24:05,845 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:24:05,845 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:24:05,846 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:24:05,846 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:24:05,846 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_93c41d2d-0c93-4e85-beae-b3c449806368/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93c41d2d-0c93-4e85-beae-b3c449806368/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4751d3eb3f8125549e47ad071da84be7a54e1805eb31936796833555d65c49e8 [2023-12-03 04:24:06,117 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:24:06,139 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:24:06,141 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:24:06,142 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:24:06,143 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:24:06,145 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93c41d2d-0c93-4e85-beae-b3c449806368/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/geo1-u2_unwindbound5.c [2023-12-03 04:24:09,109 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:24:09,309 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:24:09,310 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93c41d2d-0c93-4e85-beae-b3c449806368/sv-benchmarks/c/nla-digbench-scaling/geo1-u2_unwindbound5.c [2023-12-03 04:24:09,316 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93c41d2d-0c93-4e85-beae-b3c449806368/bin/ukojak-verify-Qdu7aM0XO9/data/fcb8a6ea0/abcb3455a21942029e7f682aba404035/FLAG84fc8edb4 [2023-12-03 04:24:09,333 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93c41d2d-0c93-4e85-beae-b3c449806368/bin/ukojak-verify-Qdu7aM0XO9/data/fcb8a6ea0/abcb3455a21942029e7f682aba404035 [2023-12-03 04:24:09,336 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:24:09,338 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:24:09,339 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:24:09,340 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:24:09,346 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:24:09,347 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:24:09" (1/1) ... [2023-12-03 04:24:09,348 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@785a8c53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:24:09, skipping insertion in model container [2023-12-03 04:24:09,348 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:24:09" (1/1) ... [2023-12-03 04:24:09,373 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:24:09,566 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:24:09,580 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:24:09,603 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:24:09,620 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:24:09,621 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:24:09 WrapperNode [2023-12-03 04:24:09,621 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:24:09,623 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:24:09,623 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:24:09,623 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:24:09,632 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:24:09" (1/1) ... [2023-12-03 04:24:09,640 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:24:09" (1/1) ... [2023-12-03 04:24:09,670 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 72 [2023-12-03 04:24:09,671 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:24:09,672 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:24:09,672 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:24:09,672 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:24:09,684 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:24:09" (1/1) ... [2023-12-03 04:24:09,684 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:24:09" (1/1) ... [2023-12-03 04:24:09,686 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:24:09" (1/1) ... [2023-12-03 04:24:09,686 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:24:09" (1/1) ... [2023-12-03 04:24:09,691 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:24:09" (1/1) ... [2023-12-03 04:24:09,695 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:24:09" (1/1) ... [2023-12-03 04:24:09,696 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:24:09" (1/1) ... [2023-12-03 04:24:09,698 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:24:09" (1/1) ... [2023-12-03 04:24:09,700 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:24:09,701 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:24:09,702 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:24:09,702 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:24:09,703 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:24:09" (1/1) ... [2023-12-03 04:24:09,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:24:09,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93c41d2d-0c93-4e85-beae-b3c449806368/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:24:09,737 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93c41d2d-0c93-4e85-beae-b3c449806368/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:24:09,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93c41d2d-0c93-4e85-beae-b3c449806368/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:24:09,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:24:09,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:24:09,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:24:09,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:24:09,779 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 04:24:09,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 04:24:09,883 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:24:09,888 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:24:10,211 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:24:10,239 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:24:10,239 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 04:24:10,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:24:10 BoogieIcfgContainer [2023-12-03 04:24:10,241 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:24:10,242 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:24:10,242 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:24:10,251 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:24:10,252 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:24:10" (1/1) ... [2023-12-03 04:24:10,259 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:24:10,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:24:10,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 58 states and 61 transitions. [2023-12-03 04:24:10,315 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 61 transitions. [2023-12-03 04:24:10,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 04:24:10,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:24:10,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:24:10,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:24:10,520 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 04:24:10,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:24:10,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 60 states and 63 transitions. [2023-12-03 04:24:10,567 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 63 transitions. [2023-12-03 04:24:10,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 04:24:10,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:24:10,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:24:10,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:24:10,625 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 04:24:10,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:24:10,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 61 states and 64 transitions. [2023-12-03 04:24:10,643 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 64 transitions. [2023-12-03 04:24:10,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 04:24:10,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:24:10,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:24:10,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:24:10,676 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:24:10,680 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:24:10,706 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 04:24:10,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:24:10,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 66 states and 72 transitions. [2023-12-03 04:24:10,856 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 72 transitions. [2023-12-03 04:24:10,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 04:24:10,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:24:10,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:24:10,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:24:10,879 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:24:10,880 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:24:10,947 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 04:24:11,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:24:11,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 67 states and 74 transitions. [2023-12-03 04:24:11,055 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 74 transitions. [2023-12-03 04:24:11,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:24:11,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:24:11,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:24:11,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:24:11,078 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:24:11,079 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:24:11,092 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 04:24:11,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:24:11,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 68 states and 75 transitions. [2023-12-03 04:24:11,108 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 75 transitions. [2023-12-03 04:24:11,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 04:24:11,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:24:11,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:24:11,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:24:11,131 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:24:11,132 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:24:11,147 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 04:24:11,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:24:11,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 69 states and 76 transitions. [2023-12-03 04:24:11,167 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 76 transitions. [2023-12-03 04:24:11,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 04:24:11,168 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:24:11,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:24:11,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:24:11,193 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:24:11,194 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:24:11,265 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 04:24:11,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:24:11,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 70 states and 78 transitions. [2023-12-03 04:24:11,335 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 78 transitions. [2023-12-03 04:24:11,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:24:11,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:24:11,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:24:11,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:24:11,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 04:24:11,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:24:11,482 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 04:24:12,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:24:12,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 79 states and 90 transitions. [2023-12-03 04:24:12,033 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 90 transitions. [2023-12-03 04:24:12,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 04:24:12,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:24:12,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:24:12,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:24:12,053 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 04:24:12,054 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:24:12,211 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 04:24:13,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:24:13,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 89 states and 104 transitions. [2023-12-03 04:24:13,106 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 104 transitions. [2023-12-03 04:24:13,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 04:24:13,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:24:13,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:24:13,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:24:13,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 04:24:13,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:24:13,173 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 04:24:13,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:24:13,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 90 states and 106 transitions. [2023-12-03 04:24:13,414 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 106 transitions. [2023-12-03 04:24:13,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 04:24:13,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:24:13,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:24:13,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:24:13,435 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 04:24:13,436 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:24:13,524 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 04:24:13,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:24:13,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 92 states and 109 transitions. [2023-12-03 04:24:13,663 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 109 transitions. [2023-12-03 04:24:13,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 04:24:13,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:24:13,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:24:13,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:24:13,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:24:13,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:24:13,726 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 04:24:14,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:24:14,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 98 states and 120 transitions. [2023-12-03 04:24:14,122 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 120 transitions. [2023-12-03 04:24:14,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 04:24:14,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:24:14,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:24:14,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:24:14,145 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 04:24:14,146 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:24:14,208 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 04:24:15,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:24:15,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 113 states and 144 transitions. [2023-12-03 04:24:15,482 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 144 transitions. [2023-12-03 04:24:15,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 04:24:15,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:24:15,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:24:15,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:24:15,507 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:24:15,508 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:24:15,536 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 04:24:15,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:24:15,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 114 states and 145 transitions. [2023-12-03 04:24:15,572 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 145 transitions. [2023-12-03 04:24:15,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 04:24:15,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:24:15,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:24:15,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:24:15,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 04:24:15,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:24:15,672 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 04:24:17,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:24:17,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 130 states and 170 transitions. [2023-12-03 04:24:17,331 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 170 transitions. [2023-12-03 04:24:17,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 04:24:17,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:24:17,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:24:17,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:24:17,371 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:24:17,372 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:25:37,699 WARN L293 SmtUtils]: Spent 12.17s on a formula simplification. DAG size of input: 22 DAG size of output: 17 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 04:25:37,700 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 04:26:22,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.56s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-03 04:26:23,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-03 04:26:23,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:26:23,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 131 states and 172 transitions. [2023-12-03 04:26:23,690 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 172 transitions. [2023-12-03 04:26:23,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 04:26:23,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:26:23,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:26:23,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:26:23,713 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 04:26:23,714 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:26:25,468 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 04:27:04,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:27:04,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 134 states and 177 transitions. [2023-12-03 04:27:04,609 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 177 transitions. [2023-12-03 04:27:04,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 04:27:04,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:27:04,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:27:04,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:27:04,632 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 04:27:04,633 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:27:11,442 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 04:27:22,336 WARN L293 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 21 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 04:27:23,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:27:23,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 136 states and 180 transitions. [2023-12-03 04:27:23,486 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 180 transitions. [2023-12-03 04:27:23,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 04:27:23,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:27:23,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:27:23,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:27:23,515 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 04:27:23,516 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:27:24,631 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 04:28:10,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:28:10,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 140 states and 186 transitions. [2023-12-03 04:28:10,574 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 186 transitions. [2023-12-03 04:28:10,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 04:28:10,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:28:10,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:28:10,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:28:10,593 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 04:28:10,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:28:12,726 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 04:28:38,134 WARN L293 SmtUtils]: Spent 10.50s on a formula simplification that was a NOOP. DAG size: 56 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 04:28:43,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:28:43,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 145 states and 197 transitions. [2023-12-03 04:28:43,124 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 197 transitions. [2023-12-03 04:28:43,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 04:28:43,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:28:43,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:28:43,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:28:43,141 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 04:28:43,142 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:28:43,171 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 04:28:43,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:28:43,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 144 states and 196 transitions. [2023-12-03 04:28:43,203 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 196 transitions. [2023-12-03 04:28:43,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 04:28:43,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:28:43,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:28:43,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:28:43,222 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:28:43,223 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:28:44,943 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 04:29:08,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:29:08,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 147 states and 202 transitions. [2023-12-03 04:29:08,769 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 202 transitions. [2023-12-03 04:29:08,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 04:29:08,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:29:08,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:29:08,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:08,787 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 04:29:08,788 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:29:27,044 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 04:31:24,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:31:24,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 157 states and 215 transitions. [2023-12-03 04:31:24,178 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 215 transitions. [2023-12-03 04:31:24,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 04:31:24,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:31:24,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:31:24,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:24,196 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 04:31:24,197 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:31:26,804 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 04:32:11,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:32:11,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 165 states and 227 transitions. [2023-12-03 04:32:11,433 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 227 transitions. [2023-12-03 04:32:11,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 04:32:11,434 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:32:11,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:32:12,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:32:12,099 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:32:12,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:32:12,157 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 25 iterations. [2023-12-03 04:32:12,173 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-12-03 04:32:12,180 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 04:32:12 ImpRootNode [2023-12-03 04:32:12,180 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 04:32:12,180 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 04:32:12,180 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 04:32:12,181 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 04:32:12,181 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:24:10" (3/4) ... [2023-12-03 04:32:12,182 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-12-03 04:32:12,187 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-12-03 04:32:12,225 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93c41d2d-0c93-4e85-beae-b3c449806368/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 04:32:12,225 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 04:32:12,226 INFO L158 Benchmark]: Toolchain (without parser) took 482888.44ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 131.5MB in the beginning and 78.5MB in the end (delta: 52.9MB). Peak memory consumption was 85.8MB. Max. memory is 16.1GB. [2023-12-03 04:32:12,227 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 117.4MB. Free memory is still 90.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:32:12,227 INFO L158 Benchmark]: CACSL2BoogieTranslator took 282.21ms. Allocated memory is still 163.6MB. Free memory was 131.5MB in the beginning and 121.1MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 04:32:12,228 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.55ms. Allocated memory is still 163.6MB. Free memory was 121.1MB in the beginning and 119.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:32:12,228 INFO L158 Benchmark]: Boogie Preprocessor took 28.72ms. Allocated memory is still 163.6MB. Free memory was 119.0MB in the beginning and 117.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:32:12,228 INFO L158 Benchmark]: RCFGBuilder took 539.68ms. Allocated memory is still 163.6MB. Free memory was 117.5MB in the beginning and 122.8MB in the end (delta: -5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-03 04:32:12,229 INFO L158 Benchmark]: CodeCheck took 481938.17ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 122.8MB in the beginning and 80.6MB in the end (delta: 42.2MB). Peak memory consumption was 80.0MB. Max. memory is 16.1GB. [2023-12-03 04:32:12,229 INFO L158 Benchmark]: Witness Printer took 45.14ms. Allocated memory is still 197.1MB. Free memory was 80.6MB in the beginning and 78.5MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:32:12,232 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, 58 locations, 24 error locations. Started 1 CEGAR loops. OverallTime: 481.9s, OverallIterations: 25, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2494 SdHoareTripleChecker+Valid, 58.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2035 mSDsluCounter, 512 SdHoareTripleChecker+Invalid, 57.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 175 mSDsCounter, 565 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5956 IncrementalHoareTripleChecker+Invalid, 6521 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 565 mSolverCounterUnsat, 337 mSDtfsCounter, 5956 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3154 GetRequests, 2782 SyntacticMatches, 130 SemanticMatches, 242 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36215 ImplicationChecksByTransitivity, 471.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 115.7s InterpolantComputationTime, 384 NumberOfCodeBlocks, 384 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 335 ConstructedInterpolants, 4 QuantifiedInterpolants, 2069 SizeOfPredicates, 10 NumberOfNonLiveVariables, 1119 ConjunctsInSsa, 82 ConjunctsInUnsatCore, 24 InterpolantComputations, 24 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 41]: integer overflow possible integer overflow possible We found a FailurePath: [L22] int counter = 0; [L24] unsigned int z, k; [L25] long long x, y, c; [L26] z = __VERIFIER_nondet_uint() [L27] k = __VERIFIER_nondet_uint() [L29] x = 1 [L30] y = z [L31] c = 1 VAL [c=1, counter=0, x=1, y=4294967281, z=4294967281] [L33] EXPR counter++ VAL [c=1, counter=1, x=1, y=4294967281, z=4294967281] [L33] COND TRUE counter++<5 [L34] EXPR x*z VAL [c=1, counter=1, x=1, y=4294967281, z=4294967281] [L34] EXPR x*z - x VAL [c=1, counter=1, x=1, y=4294967281, z=4294967281] [L34] EXPR x*z - x - y VAL [c=1, counter=1, x=1, y=4294967281, z=4294967281] [L34] EXPR x*z - x - y + 1 VAL [c=1, counter=1, x=1, y=4294967281, z=4294967281] [L34] CALL __VERIFIER_assert(x*z - x - y + 1 == 0) VAL [counter=1] [L16] COND FALSE !(!(cond)) [L34] RET __VERIFIER_assert(x*z - x - y + 1 == 0) VAL [c=1, counter=1, x=1, y=4294967281, z=4294967281] [L36] COND FALSE !(!(c < k)) VAL [c=1, counter=1, k=2, x=1, y=4294967281, z=4294967281] [L39] EXPR c + 1 [L39] c = c + 1 VAL [c=2, counter=1, k=2, x=1, y=4294967281, z=4294967281] [L40] EXPR x * z VAL [c=2, counter=1, k=2, x=1, y=4294967281, z=4294967281] [L40] EXPR x * z + 1 [L40] x = x * z + 1 VAL [c=2, counter=1, k=2, x=4294967282, y=4294967281, z=4294967281] [L41] y * z VAL [c=2, counter=1, k=2, x=4294967282, y=4294967281, z=4294967281] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 117.4MB. Free memory is still 90.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 282.21ms. Allocated memory is still 163.6MB. Free memory was 131.5MB in the beginning and 121.1MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.55ms. Allocated memory is still 163.6MB. Free memory was 121.1MB in the beginning and 119.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.72ms. Allocated memory is still 163.6MB. Free memory was 119.0MB in the beginning and 117.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 539.68ms. Allocated memory is still 163.6MB. Free memory was 117.5MB in the beginning and 122.8MB in the end (delta: -5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * CodeCheck took 481938.17ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 122.8MB in the beginning and 80.6MB in the end (delta: 42.2MB). Peak memory consumption was 80.0MB. Max. memory is 16.1GB. * Witness Printer took 45.14ms. Allocated memory is still 197.1MB. Free memory was 80.6MB in the beginning and 78.5MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate proved your program to be incorrect! [2023-12-03 04:32:12,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93c41d2d-0c93-4e85-beae-b3c449806368/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)