./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound1.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_d569a11d-ad4f-4841-b327-d2278ea3123f/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d569a11d-ad4f-4841-b327-d2278ea3123f/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d569a11d-ad4f-4841-b327-d2278ea3123f/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d569a11d-ad4f-4841-b327-d2278ea3123f/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d569a11d-ad4f-4841-b327-d2278ea3123f/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d569a11d-ad4f-4841-b327-d2278ea3123f/bin/ukojak-verify-afCqCEvfdi --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 c7383f54d0aefdd248f516d45c67549426beac87be78bf6e7bb8108aedb7974b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:55:53,683 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:55:53,796 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d569a11d-ad4f-4841-b327-d2278ea3123f/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 22:55:53,806 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:55:53,807 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:55:53,842 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:55:53,845 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:55:53,845 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:55:53,846 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:55:53,852 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:55:53,852 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:55:53,853 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:55:53,853 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:55:53,855 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:55:53,857 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:55:53,857 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:55:53,858 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:55:53,858 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:55:53,858 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:55:53,859 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:55:53,859 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:55:53,860 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:55:53,861 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:55:53,861 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:55:53,862 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:55:53,862 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:55:53,863 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:55:53,863 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:55:53,864 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:55:53,864 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:55:53,866 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:55:53,866 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:55:53,866 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:55:53,867 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:55:53,867 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:55:53,867 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_d569a11d-ad4f-4841-b327-d2278ea3123f/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d569a11d-ad4f-4841-b327-d2278ea3123f/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7383f54d0aefdd248f516d45c67549426beac87be78bf6e7bb8108aedb7974b [2023-11-24 22:55:54,137 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:55:54,159 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:55:54,161 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:55:54,162 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:55:54,163 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:55:54,169 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d569a11d-ad4f-4841-b327-d2278ea3123f/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound1.c [2023-11-24 22:55:57,225 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:55:57,609 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:55:57,610 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d569a11d-ad4f-4841-b327-d2278ea3123f/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound1.c [2023-11-24 22:55:57,621 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d569a11d-ad4f-4841-b327-d2278ea3123f/bin/ukojak-verify-afCqCEvfdi/data/79004f7b4/3562772c10564344931d212e4407ce8c/FLAG6e5fa94a6 [2023-11-24 22:55:57,642 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d569a11d-ad4f-4841-b327-d2278ea3123f/bin/ukojak-verify-afCqCEvfdi/data/79004f7b4/3562772c10564344931d212e4407ce8c [2023-11-24 22:55:57,649 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:55:57,652 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:55:57,656 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:55:57,657 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:55:57,664 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:55:57,665 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:55:57" (1/1) ... [2023-11-24 22:55:57,666 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f10f2dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:57, skipping insertion in model container [2023-11-24 22:55:57,666 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:55:57" (1/1) ... [2023-11-24 22:55:57,700 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:55:57,927 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:55:57,941 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:55:57,977 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:55:57,993 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:55:57,993 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:57 WrapperNode [2023-11-24 22:55:57,993 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:55:57,994 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:55:57,995 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:55:57,995 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:55:58,003 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:57" (1/1) ... [2023-11-24 22:55:58,031 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:57" (1/1) ... [2023-11-24 22:55:58,060 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 103 [2023-11-24 22:55:58,060 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:55:58,061 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:55:58,061 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:55:58,061 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:55:58,071 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:57" (1/1) ... [2023-11-24 22:55:58,071 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:57" (1/1) ... [2023-11-24 22:55:58,073 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:57" (1/1) ... [2023-11-24 22:55:58,073 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:57" (1/1) ... [2023-11-24 22:55:58,077 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:57" (1/1) ... [2023-11-24 22:55:58,081 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:57" (1/1) ... [2023-11-24 22:55:58,082 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:57" (1/1) ... [2023-11-24 22:55:58,083 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:57" (1/1) ... [2023-11-24 22:55:58,086 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:55:58,086 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:55:58,087 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:55:58,087 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:55:58,088 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:57" (1/1) ... [2023-11-24 22:55:58,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:55:58,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d569a11d-ad4f-4841-b327-d2278ea3123f/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:55:58,123 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d569a11d-ad4f-4841-b327-d2278ea3123f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:55:58,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d569a11d-ad4f-4841-b327-d2278ea3123f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:55:58,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:55:58,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:55:58,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:55:58,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:55:58,170 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:55:58,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:55:58,242 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:55:58,243 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:55:58,530 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:55:58,568 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:55:58,569 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:55:58,570 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:55:58 BoogieIcfgContainer [2023-11-24 22:55:58,570 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:55:58,571 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:55:58,572 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:55:58,583 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:55:58,583 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:55:58" (1/1) ... [2023-11-24 22:55:58,593 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:55:58,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:58,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 75 states and 87 transitions. [2023-11-24 22:55:58,649 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2023-11-24 22:55:58,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:55:58,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:58,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:58,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:58,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:59,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:59,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 77 states and 89 transitions. [2023-11-24 22:55:59,087 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 89 transitions. [2023-11-24 22:55:59,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:55:59,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:59,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:59,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:59,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:59,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:59,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 78 states and 90 transitions. [2023-11-24 22:55:59,226 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 90 transitions. [2023-11-24 22:55:59,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:55:59,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:59,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:59,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:59,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:59,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:59,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 79 states and 90 transitions. [2023-11-24 22:55:59,328 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 90 transitions. [2023-11-24 22:55:59,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:55:59,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:59,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:59,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:59,380 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:55:59,387 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:59,530 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:55:59,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:59,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 86 states and 100 transitions. [2023-11-24 22:55:59,765 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 100 transitions. [2023-11-24 22:55:59,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:55:59,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:59,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:59,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:59,820 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:55:59,823 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:59,919 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:56:00,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:00,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 90 states and 108 transitions. [2023-11-24 22:56:00,291 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 108 transitions. [2023-11-24 22:56:00,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:56:00,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:00,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:00,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:00,347 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:56:00,349 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:00,411 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:56:01,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:01,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 97 states and 122 transitions. [2023-11-24 22:56:01,003 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 122 transitions. [2023-11-24 22:56:01,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:56:01,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:01,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:01,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:01,041 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:56:01,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:01,183 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:56:02,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:02,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 107 states and 164 transitions. [2023-11-24 22:56:02,027 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 164 transitions. [2023-11-24 22:56:02,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:56:02,028 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:02,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:02,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:02,056 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:56:02,058 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:02,128 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:56:03,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:03,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 115 states and 180 transitions. [2023-11-24 22:56:03,410 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 180 transitions. [2023-11-24 22:56:03,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:56:03,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:03,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:03,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:03,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:56:03,459 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:03,656 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:56:05,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:05,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 126 states and 230 transitions. [2023-11-24 22:56:05,009 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 230 transitions. [2023-11-24 22:56:05,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:56:05,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:05,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:05,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:05,044 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:56:05,045 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:05,112 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:56:05,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:05,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 131 states and 242 transitions. [2023-11-24 22:56:05,768 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 242 transitions. [2023-11-24 22:56:05,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:56:05,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:05,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:05,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:05,810 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:56:05,812 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:05,889 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:56:06,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:06,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 137 states and 256 transitions. [2023-11-24 22:56:06,727 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 256 transitions. [2023-11-24 22:56:06,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:56:06,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:06,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:06,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:06,765 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:56:06,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:06,854 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:56:09,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:09,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 148 states and 285 transitions. [2023-11-24 22:56:09,176 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 285 transitions. [2023-11-24 22:56:09,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:56:09,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:09,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:09,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:09,210 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:56:09,212 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:09,476 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:56:12,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:12,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 160 states and 347 transitions. [2023-11-24 22:56:12,011 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 347 transitions. [2023-11-24 22:56:12,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:56:12,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:12,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:12,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:12,037 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:56:12,039 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:12,062 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:56:12,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:12,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 161 states and 348 transitions. [2023-11-24 22:56:12,086 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 348 transitions. [2023-11-24 22:56:12,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:56:12,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:12,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:12,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:12,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:56:12,114 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:12,204 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:56:13,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:13,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 167 states and 359 transitions. [2023-11-24 22:56:13,342 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 359 transitions. [2023-11-24 22:56:13,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:56:13,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:13,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:13,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:13,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:56:13,372 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:13,553 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:56:16,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:16,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 180 states and 387 transitions. [2023-11-24 22:56:16,424 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 387 transitions. [2023-11-24 22:56:16,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:56:16,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:16,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:16,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:16,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:56:16,459 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:16,556 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:56:17,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:17,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 187 states and 398 transitions. [2023-11-24 22:56:17,911 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 398 transitions. [2023-11-24 22:56:17,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:56:17,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:17,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:17,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:17,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:56:17,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:18,240 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:56:19,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:19,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 195 states and 412 transitions. [2023-11-24 22:56:19,934 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 412 transitions. [2023-11-24 22:56:19,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 22:56:19,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:19,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:19,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:19,964 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:56:19,966 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:20,136 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 22:56:20,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:20,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 195 states and 406 transitions. [2023-11-24 22:56:20,569 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 406 transitions. [2023-11-24 22:56:20,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 22:56:20,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:20,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:20,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:20,603 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 22:56:20,605 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:20,903 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:56:21,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:21,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 199 states and 423 transitions. [2023-11-24 22:56:21,720 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 423 transitions. [2023-11-24 22:56:21,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 22:56:21,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:21,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:21,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:21,750 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:56:21,752 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:21,796 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 22:56:22,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:22,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 110 states and 165 transitions. [2023-11-24 22:56:22,193 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 165 transitions. [2023-11-24 22:56:22,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 22:56:22,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:22,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:22,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:22,229 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:56:22,231 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:22,264 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-24 22:56:24,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:24,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 53 states and 69 transitions. [2023-11-24 22:56:24,711 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 69 transitions. [2023-11-24 22:56:24,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 22:56:24,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:24,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:24,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:24,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:56:24,748 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:25,028 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:56:28,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:28,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 48 states and 61 transitions. [2023-11-24 22:56:28,769 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2023-11-24 22:56:28,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 22:56:28,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:28,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:28,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:28,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:56:28,806 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:29,126 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-24 22:56:37,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:37,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 47 states and 60 transitions. [2023-11-24 22:56:37,059 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 60 transitions. [2023-11-24 22:56:37,059 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 22:56:37,060 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 25 iterations. [2023-11-24 22:56:37,068 INFO L751 CodeCheckObserver]: All specifications hold 28 specifications checked. All of them hold [2023-11-24 22:56:37,618 INFO L560 CodeCheckObserver]: Invariant with dag size 25 [2023-11-24 22:56:37,626 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:56:37,627 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:56:37,627 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:56:37 ImpRootNode [2023-11-24 22:56:37,627 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:56:37,628 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:56:37,628 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:56:37,628 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:56:37,629 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:55:58" (3/4) ... [2023-11-24 22:56:37,631 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 22:56:37,634 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-24 22:56:37,640 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2023-11-24 22:56:37,640 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-24 22:56:37,640 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-24 22:56:37,641 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 22:56:37,641 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 22:56:37,766 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d569a11d-ad4f-4841-b327-d2278ea3123f/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 22:56:37,766 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d569a11d-ad4f-4841-b327-d2278ea3123f/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 22:56:37,767 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:56:37,767 INFO L158 Benchmark]: Toolchain (without parser) took 40115.59ms. Allocated memory was 136.3MB in the beginning and 373.3MB in the end (delta: 237.0MB). Free memory was 106.3MB in the beginning and 258.3MB in the end (delta: -152.1MB). Peak memory consumption was 85.9MB. Max. memory is 16.1GB. [2023-11-24 22:56:37,768 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 107.0MB. Free memory is still 62.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:56:37,768 INFO L158 Benchmark]: CACSL2BoogieTranslator took 337.57ms. Allocated memory is still 136.3MB. Free memory was 106.3MB in the beginning and 95.4MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:56:37,769 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.12ms. Allocated memory is still 136.3MB. Free memory was 95.0MB in the beginning and 93.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:56:37,770 INFO L158 Benchmark]: Boogie Preprocessor took 24.67ms. Allocated memory is still 136.3MB. Free memory was 93.3MB in the beginning and 92.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:56:37,770 INFO L158 Benchmark]: RCFGBuilder took 484.19ms. Allocated memory is still 136.3MB. Free memory was 92.1MB in the beginning and 75.8MB in the end (delta: 16.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:56:37,771 INFO L158 Benchmark]: CodeCheck took 39055.98ms. Allocated memory was 136.3MB in the beginning and 373.3MB in the end (delta: 237.0MB). Free memory was 75.8MB in the beginning and 263.6MB in the end (delta: -187.8MB). Peak memory consumption was 52.3MB. Max. memory is 16.1GB. [2023-11-24 22:56:37,771 INFO L158 Benchmark]: Witness Printer took 138.83ms. Allocated memory is still 373.3MB. Free memory was 263.6MB in the beginning and 258.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:56:37,774 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, 75 locations, 28 error locations. Started 1 CEGAR loops. OverallTime: 38.5s, OverallIterations: 25, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3938 SdHoareTripleChecker+Valid, 22.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2985 mSDsluCounter, 2694 SdHoareTripleChecker+Invalid, 19.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1430 mSDsCounter, 2107 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13513 IncrementalHoareTripleChecker+Invalid, 15620 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2107 mSolverCounterUnsat, 1264 mSDtfsCounter, 13513 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5886 GetRequests, 5261 SyntacticMatches, 125 SemanticMatches, 500 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139995 ImplicationChecksByTransitivity, 33.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 501 NumberOfCodeBlocks, 501 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 477 ConstructedInterpolants, 0 QuantifiedInterpolants, 1575 SizeOfPredicates, 24 NumberOfNonLiveVariables, 1999 ConjunctsInSsa, 84 ConjunctsInUnsatCore, 24 InterpolantComputations, 21 PerfectInterpolantSequences, 158/164 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: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 58]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 58]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 58]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 58]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 28 specifications checked. All of them hold - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: (((((((((r <= 2147483647) && (B <= 1)) && (q == 0)) && (1 <= d)) && (d <= 1)) && (0 <= (r + 2147483648))) || (1 <= counter)) || !(((p == 1) && (1 <= B)))) || (counter < 0)) - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 107.0MB. Free memory is still 62.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 337.57ms. Allocated memory is still 136.3MB. Free memory was 106.3MB in the beginning and 95.4MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.12ms. Allocated memory is still 136.3MB. Free memory was 95.0MB in the beginning and 93.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.67ms. Allocated memory is still 136.3MB. Free memory was 93.3MB in the beginning and 92.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 484.19ms. Allocated memory is still 136.3MB. Free memory was 92.1MB in the beginning and 75.8MB in the end (delta: 16.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 39055.98ms. Allocated memory was 136.3MB in the beginning and 373.3MB in the end (delta: 237.0MB). Free memory was 75.8MB in the beginning and 263.6MB in the end (delta: -187.8MB). Peak memory consumption was 52.3MB. Max. memory is 16.1GB. * Witness Printer took 138.83ms. Allocated memory is still 373.3MB. Free memory was 263.6MB in the beginning and 258.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-24 22:56:37,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d569a11d-ad4f-4841-b327-d2278ea3123f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE