./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound2.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_a0505f6e-79ec-415e-a56f-d85d598014ec/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505f6e-79ec-415e-a56f-d85d598014ec/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_a0505f6e-79ec-415e-a56f-d85d598014ec/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505f6e-79ec-415e-a56f-d85d598014ec/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505f6e-79ec-415e-a56f-d85d598014ec/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_a0505f6e-79ec-415e-a56f-d85d598014ec/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 7e2bf307cb8f7c9c94b988ac468881aa12e08b820a3a7e7ee2376cf91aff114e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:12:31,760 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:12:31,877 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505f6e-79ec-415e-a56f-d85d598014ec/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 23:12:31,884 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:12:31,885 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:12:31,927 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:12:31,928 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:12:31,929 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:12:31,930 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:12:31,930 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:12:31,933 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:12:31,933 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:12:31,934 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:12:31,939 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:12:31,939 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:12:31,940 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:12:31,941 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:12:31,942 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:12:31,942 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:12:31,943 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:12:31,943 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:12:31,944 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:12:31,944 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:12:31,944 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:12:31,945 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:12:31,946 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:12:31,946 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:12:31,947 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:12:31,947 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:12:31,947 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:12:31,949 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:12:31,949 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:12:31,949 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:12:31,950 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:12:31,950 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:12:31,950 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_a0505f6e-79ec-415e-a56f-d85d598014ec/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505f6e-79ec-415e-a56f-d85d598014ec/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e2bf307cb8f7c9c94b988ac468881aa12e08b820a3a7e7ee2376cf91aff114e [2023-11-24 23:12:32,280 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:12:32,313 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:12:32,316 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:12:32,317 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:12:32,318 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:12:32,320 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505f6e-79ec-415e-a56f-d85d598014ec/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound2.c [2023-11-24 23:12:35,344 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:12:35,639 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:12:35,640 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505f6e-79ec-415e-a56f-d85d598014ec/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound2.c [2023-11-24 23:12:35,649 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505f6e-79ec-415e-a56f-d85d598014ec/bin/ukojak-verify-afCqCEvfdi/data/a1a971dae/b6de12ceb0d747adb13ac2f0160e842e/FLAG12a1c7a71 [2023-11-24 23:12:35,666 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505f6e-79ec-415e-a56f-d85d598014ec/bin/ukojak-verify-afCqCEvfdi/data/a1a971dae/b6de12ceb0d747adb13ac2f0160e842e [2023-11-24 23:12:35,669 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:12:35,671 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:12:35,673 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:12:35,673 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:12:35,687 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:12:35,688 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:12:35" (1/1) ... [2023-11-24 23:12:35,689 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c03e3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:35, skipping insertion in model container [2023-11-24 23:12:35,689 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:12:35" (1/1) ... [2023-11-24 23:12:35,721 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:12:35,901 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:12:35,914 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:12:35,934 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:12:35,947 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:12:35,948 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:35 WrapperNode [2023-11-24 23:12:35,948 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:12:35,949 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:12:35,950 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:12:35,950 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:12:35,958 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:35" (1/1) ... [2023-11-24 23:12:35,966 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:35" (1/1) ... [2023-11-24 23:12:35,989 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 78 [2023-11-24 23:12:35,989 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:12:35,990 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:12:35,990 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:12:35,991 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:12:36,001 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:35" (1/1) ... [2023-11-24 23:12:36,001 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:35" (1/1) ... [2023-11-24 23:12:36,003 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:35" (1/1) ... [2023-11-24 23:12:36,003 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:35" (1/1) ... [2023-11-24 23:12:36,007 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:35" (1/1) ... [2023-11-24 23:12:36,011 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:35" (1/1) ... [2023-11-24 23:12:36,012 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:35" (1/1) ... [2023-11-24 23:12:36,013 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:35" (1/1) ... [2023-11-24 23:12:36,016 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:12:36,017 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:12:36,017 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:12:36,017 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:12:36,018 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:35" (1/1) ... [2023-11-24 23:12:36,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:12:36,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505f6e-79ec-415e-a56f-d85d598014ec/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:12:36,048 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505f6e-79ec-415e-a56f-d85d598014ec/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:12:36,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0505f6e-79ec-415e-a56f-d85d598014ec/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:12:36,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:12:36,101 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:12:36,102 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:12:36,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:12:36,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:12:36,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:12:36,103 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:12:36,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:12:36,190 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:12:36,193 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:12:36,647 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:12:36,701 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:12:36,701 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:12:36,712 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:12:36 BoogieIcfgContainer [2023-11-24 23:12:36,712 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:12:36,713 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:12:36,713 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:12:36,724 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:12:36,724 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:12:36" (1/1) ... [2023-11-24 23:12:36,735 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:12:36,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:36,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 67 states and 71 transitions. [2023-11-24 23:12:36,799 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 71 transitions. [2023-11-24 23:12:36,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:12:36,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:36,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:36,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:37,067 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 23:12:37,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:37,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 69 states and 73 transitions. [2023-11-24 23:12:37,136 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 73 transitions. [2023-11-24 23:12:37,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:12:37,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:37,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:37,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:37,247 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 23:12:37,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:37,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 70 states and 74 transitions. [2023-11-24 23:12:37,271 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 74 transitions. [2023-11-24 23:12:37,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:12:37,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:37,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:37,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:37,481 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 23:12:37,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:37,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 71 states and 75 transitions. [2023-11-24 23:12:37,504 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 75 transitions. [2023-11-24 23:12:37,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:12:37,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:37,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:37,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:37,549 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:12:37,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:37,679 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:12:38,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:38,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 76 states and 82 transitions. [2023-11-24 23:12:38,063 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 82 transitions. [2023-11-24 23:12:38,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:12:38,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:38,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:38,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:38,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:12:38,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:38,187 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 23:12:38,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:38,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 82 states and 91 transitions. [2023-11-24 23:12:38,977 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 91 transitions. [2023-11-24 23:12:38,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:12:38,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:38,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:39,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:39,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:12:39,025 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:39,104 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:12:39,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:39,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 84 states and 94 transitions. [2023-11-24 23:12:39,197 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 94 transitions. [2023-11-24 23:12:39,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:12:39,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:39,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:39,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:39,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:12:39,229 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:39,348 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 23:12:39,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:39,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 85 states and 96 transitions. [2023-11-24 23:12:39,674 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 96 transitions. [2023-11-24 23:12:39,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:12:39,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:39,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:39,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:39,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 23:12:39,720 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:39,944 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 23:12:40,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:40,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 94 states and 108 transitions. [2023-11-24 23:12:40,976 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 108 transitions. [2023-11-24 23:12:40,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:12:40,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:40,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:41,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:41,021 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 23:12:41,022 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:41,269 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:12:42,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:42,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 104 states and 121 transitions. [2023-11-24 23:12:42,312 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 121 transitions. [2023-11-24 23:12:42,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:12:42,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:42,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:42,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:42,348 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:12:42,350 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:42,407 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 23:12:42,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:42,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 105 states and 123 transitions. [2023-11-24 23:12:42,708 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 123 transitions. [2023-11-24 23:12:42,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:12:42,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:42,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:42,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:42,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 23:12:42,735 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:42,832 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:12:43,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:43,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 107 states and 126 transitions. [2023-11-24 23:12:43,015 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 126 transitions. [2023-11-24 23:12:43,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 23:12:43,017 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:43,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:43,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:43,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 23:12:43,049 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:43,082 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:12:43,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:43,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 110 states and 133 transitions. [2023-11-24 23:12:43,131 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 133 transitions. [2023-11-24 23:12:43,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 23:12:43,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:43,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:43,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:43,167 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:12:43,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:43,237 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 23:12:44,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:44,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 125 states and 156 transitions. [2023-11-24 23:12:44,734 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 156 transitions. [2023-11-24 23:12:44,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 23:12:44,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:44,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:44,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:44,766 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:12:44,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:44,814 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 23:12:45,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:45,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 132 states and 170 transitions. [2023-11-24 23:12:45,716 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 170 transitions. [2023-11-24 23:12:45,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 23:12:45,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:45,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:45,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:45,742 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:12:45,744 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:45,828 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 23:12:47,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:47,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 148 states and 195 transitions. [2023-11-24 23:12:47,765 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 195 transitions. [2023-11-24 23:12:47,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 23:12:47,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:47,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:47,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:47,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:12:47,798 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:47,914 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 23:12:49,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:49,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 153 states and 207 transitions. [2023-11-24 23:12:49,083 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 207 transitions. [2023-11-24 23:12:49,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 23:12:49,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:49,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:49,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:49,115 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:12:49,117 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:49,324 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 23:12:53,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:53,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 158 states and 218 transitions. [2023-11-24 23:12:53,893 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 218 transitions. [2023-11-24 23:12:53,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 23:12:53,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:53,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:53,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:53,919 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:12:53,920 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:55,029 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 23:13:15,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:15,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 164 states and 231 transitions. [2023-11-24 23:13:15,213 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 231 transitions. [2023-11-24 23:13:15,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 23:13:15,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:15,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:15,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:15,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:13:15,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:16,260 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 23:13:27,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:27,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 170 states and 243 transitions. [2023-11-24 23:13:27,471 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 243 transitions. [2023-11-24 23:13:27,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 23:13:27,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:27,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:27,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:27,501 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:13:27,502 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:30,017 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.