./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6438026d-1a27-4eb1-b3a1-f70f127d0080/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6438026d-1a27-4eb1-b3a1-f70f127d0080/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6438026d-1a27-4eb1-b3a1-f70f127d0080/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6438026d-1a27-4eb1-b3a1-f70f127d0080/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6438026d-1a27-4eb1-b3a1-f70f127d0080/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6438026d-1a27-4eb1-b3a1-f70f127d0080/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1ab6b58208d0c243ef581620bcab9aae54e201e00d3505f3320b182de5e7ff75 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:08:22,179 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:08:22,246 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6438026d-1a27-4eb1-b3a1-f70f127d0080/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 00:08:22,251 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:08:22,252 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:08:22,277 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:08:22,278 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:08:22,278 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:08:22,279 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:08:22,280 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:08:22,280 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:08:22,281 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:08:22,281 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:08:22,282 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:08:22,282 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:08:22,283 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:08:22,283 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:08:22,284 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:08:22,284 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:08:22,285 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 00:08:22,285 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 00:08:22,286 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:08:22,287 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:08:22,287 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:08:22,288 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:08:22,288 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:08:22,289 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:08:22,289 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:08:22,290 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:08:22,290 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:08:22,290 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:08:22,291 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:08:22,291 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:08:22,291 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:08:22,291 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:08:22,292 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_6438026d-1a27-4eb1-b3a1-f70f127d0080/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6438026d-1a27-4eb1-b3a1-f70f127d0080/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ab6b58208d0c243ef581620bcab9aae54e201e00d3505f3320b182de5e7ff75 [2023-12-03 00:08:22,512 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:08:22,533 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:08:22,536 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:08:22,537 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:08:22,537 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:08:22,539 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6438026d-1a27-4eb1-b3a1-f70f127d0080/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound2.c [2023-12-03 00:08:25,288 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:08:25,466 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:08:25,467 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6438026d-1a27-4eb1-b3a1-f70f127d0080/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound2.c [2023-12-03 00:08:25,474 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6438026d-1a27-4eb1-b3a1-f70f127d0080/bin/ukojak-verify-Qdu7aM0XO9/data/47760a9ea/0298970788814ea9b83f32ccd203b89b/FLAGc93d11d06 [2023-12-03 00:08:25,488 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6438026d-1a27-4eb1-b3a1-f70f127d0080/bin/ukojak-verify-Qdu7aM0XO9/data/47760a9ea/0298970788814ea9b83f32ccd203b89b [2023-12-03 00:08:25,490 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:08:25,491 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:08:25,492 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:08:25,492 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:08:25,496 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:08:25,497 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:08:25" (1/1) ... [2023-12-03 00:08:25,498 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bc13f55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:08:25, skipping insertion in model container [2023-12-03 00:08:25,498 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:08:25" (1/1) ... [2023-12-03 00:08:25,518 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:08:25,657 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:08:25,668 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:08:25,686 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:08:25,698 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:08:25,698 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:08:25 WrapperNode [2023-12-03 00:08:25,699 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:08:25,700 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:08:25,700 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:08:25,700 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:08:25,705 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:08:25" (1/1) ... [2023-12-03 00:08:25,711 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:08:25" (1/1) ... [2023-12-03 00:08:25,736 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 103 [2023-12-03 00:08:25,737 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:08:25,737 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:08:25,738 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:08:25,738 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:08:25,746 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:08:25" (1/1) ... [2023-12-03 00:08:25,746 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:08:25" (1/1) ... [2023-12-03 00:08:25,748 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:08:25" (1/1) ... [2023-12-03 00:08:25,748 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:08:25" (1/1) ... [2023-12-03 00:08:25,752 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:08:25" (1/1) ... [2023-12-03 00:08:25,756 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:08:25" (1/1) ... [2023-12-03 00:08:25,757 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:08:25" (1/1) ... [2023-12-03 00:08:25,758 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:08:25" (1/1) ... [2023-12-03 00:08:25,760 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:08:25,761 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:08:25,761 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:08:25,762 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:08:25,762 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:08:25" (1/1) ... [2023-12-03 00:08:25,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:08:25,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6438026d-1a27-4eb1-b3a1-f70f127d0080/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:08:25,790 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6438026d-1a27-4eb1-b3a1-f70f127d0080/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:08:25,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6438026d-1a27-4eb1-b3a1-f70f127d0080/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:08:25,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:08:25,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:08:25,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:08:25,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:08:25,846 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 00:08:25,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 00:08:25,917 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:08:25,919 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:08:26,172 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:08:26,203 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:08:26,203 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-03 00:08:26,205 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:08:26 BoogieIcfgContainer [2023-12-03 00:08:26,205 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:08:26,206 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:08:26,206 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:08:26,216 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:08:26,216 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:08:26" (1/1) ... [2023-12-03 00:08:26,225 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:08:26,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:26,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 75 states and 87 transitions. [2023-12-03 00:08:26,306 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2023-12-03 00:08:26,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 00:08:26,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:26,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:08:26,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:26,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:08:26,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:26,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 77 states and 89 transitions. [2023-12-03 00:08:26,537 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 89 transitions. [2023-12-03 00:08:26,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 00:08:26,537 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:26,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:08:26,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:26,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:08:26,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:26,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 78 states and 90 transitions. [2023-12-03 00:08:26,610 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 90 transitions. [2023-12-03 00:08:26,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:08:26,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:26,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:08:26,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:26,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:08:26,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:26,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 79 states and 90 transitions. [2023-12-03 00:08:26,684 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 90 transitions. [2023-12-03 00:08:26,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 00:08:26,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:26,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:08:26,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:26,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 00:08:26,734 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:08:26,824 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:08:27,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:27,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 86 states and 100 transitions. [2023-12-03 00:08:27,008 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 100 transitions. [2023-12-03 00:08:27,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 00:08:27,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:27,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:08:27,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:27,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 00:08:27,040 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:08:27,100 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:08:27,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:27,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 90 states and 108 transitions. [2023-12-03 00:08:27,421 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 108 transitions. [2023-12-03 00:08:27,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 00:08:27,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:27,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:08:27,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:27,456 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:08:27,458 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:08:27,506 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 00:08:27,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:27,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 97 states and 122 transitions. [2023-12-03 00:08:27,956 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 122 transitions. [2023-12-03 00:08:27,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 00:08:27,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:27,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:08:27,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:27,986 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 00:08:27,987 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:08:28,094 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 00:08:28,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:28,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 107 states and 164 transitions. [2023-12-03 00:08:28,757 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 164 transitions. [2023-12-03 00:08:28,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 00:08:28,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:28,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:08:28,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:28,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:08:28,794 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:08:28,843 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 00:08:29,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:29,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 115 states and 180 transitions. [2023-12-03 00:08:29,821 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 180 transitions. [2023-12-03 00:08:29,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 00:08:29,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:29,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:08:29,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:29,846 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 00:08:29,847 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:08:29,981 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 00:08:30,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:30,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 126 states and 230 transitions. [2023-12-03 00:08:30,900 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 230 transitions. [2023-12-03 00:08:30,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 00:08:30,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:30,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:08:30,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:30,923 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:08:30,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:08:30,975 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 00:08:31,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:31,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 131 states and 242 transitions. [2023-12-03 00:08:31,459 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 242 transitions. [2023-12-03 00:08:31,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 00:08:31,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:31,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:08:31,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:31,484 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:08:31,485 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:08:31,534 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 00:08:32,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:32,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 137 states and 256 transitions. [2023-12-03 00:08:32,110 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 256 transitions. [2023-12-03 00:08:32,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:08:32,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:32,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:08:32,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:32,138 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:08:32,139 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:08:32,327 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 00:08:33,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:33,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 149 states and 312 transitions. [2023-12-03 00:08:33,532 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 312 transitions. [2023-12-03 00:08:33,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:08:33,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:33,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:08:33,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:33,555 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 00:08:33,556 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:08:33,647 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 00:08:35,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:35,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 160 states and 336 transitions. [2023-12-03 00:08:35,379 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 336 transitions. [2023-12-03 00:08:35,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 00:08:35,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:35,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:08:35,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:35,401 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 00:08:35,403 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:08:35,512 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 00:08:37,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:37,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 172 states and 362 transitions. [2023-12-03 00:08:37,357 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 362 transitions. [2023-12-03 00:08:37,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 00:08:37,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:37,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:08:37,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:37,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 00:08:37,379 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:08:37,466 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 00:08:38,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:38,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 178 states and 372 transitions. [2023-12-03 00:08:38,632 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 372 transitions. [2023-12-03 00:08:38,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 00:08:38,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:38,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:08:38,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:38,653 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:08:38,654 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:08:38,796 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 00:08:41,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:41,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 191 states and 398 transitions. [2023-12-03 00:08:41,337 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 398 transitions. [2023-12-03 00:08:41,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 00:08:41,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:41,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:08:41,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:41,358 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:08:41,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:08:41,451 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 00:08:42,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:42,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 198 states and 409 transitions. [2023-12-03 00:08:42,639 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 409 transitions. [2023-12-03 00:08:42,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 00:08:42,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:42,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:08:42,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:42,665 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:08:42,666 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:08:43,028 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 00:08:44,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:44,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 206 states and 424 transitions. [2023-12-03 00:08:44,759 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 424 transitions. [2023-12-03 00:08:44,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 00:08:44,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:44,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:08:44,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:44,781 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:08:44,782 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:08:44,806 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 00:08:44,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:44,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 207 states and 424 transitions. [2023-12-03 00:08:44,869 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 424 transitions. [2023-12-03 00:08:44,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 00:08:44,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:44,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:08:44,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:44,894 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:08:44,895 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:08:45,016 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 00:08:46,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:46,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 217 states and 450 transitions. [2023-12-03 00:08:46,988 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 450 transitions. [2023-12-03 00:08:46,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 00:08:46,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:46,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:08:47,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:47,013 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 00:08:47,014 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:08:47,127 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 00:08:49,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:49,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 228 states and 477 transitions. [2023-12-03 00:08:49,681 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 477 transitions. [2023-12-03 00:08:49,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 00:08:49,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:49,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:08:49,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:49,709 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 00:08:49,711 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:08:49,950 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-03 00:08:52,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:52,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 239 states and 508 transitions. [2023-12-03 00:08:52,201 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 508 transitions. [2023-12-03 00:08:52,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 00:08:52,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:52,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:08:52,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:52,231 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 00:08:52,232 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:08:52,300 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-03 00:08:53,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:53,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 243 states and 513 transitions. [2023-12-03 00:08:53,330 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 513 transitions. [2023-12-03 00:08:53,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-03 00:08:53,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:53,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:08:53,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:53,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 00:08:53,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:08:53,682 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-03 00:08:55,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:55,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 255 states and 550 transitions. [2023-12-03 00:08:55,964 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 550 transitions. [2023-12-03 00:08:55,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-03 00:08:55,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:55,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:08:55,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:55,989 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 00:08:55,990 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:08:56,229 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-03 00:08:57,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:57,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 259 states and 554 transitions. [2023-12-03 00:08:57,415 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 554 transitions. [2023-12-03 00:08:57,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-03 00:08:57,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:57,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:08:57,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:57,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:08:57,446 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:08:57,569 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-03 00:08:58,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:58,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 266 states and 578 transitions. [2023-12-03 00:08:58,917 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 578 transitions. [2023-12-03 00:08:58,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-03 00:08:58,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:58,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:08:58,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:58,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:08:58,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:08:59,598 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-03 00:09:03,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:03,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 279 states and 612 transitions. [2023-12-03 00:09:03,237 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 612 transitions. [2023-12-03 00:09:03,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 00:09:03,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:03,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:09:03,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:03,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:09:03,264 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:03,296 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-03 00:09:03,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:03,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 280 states and 613 transitions. [2023-12-03 00:09:03,338 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 613 transitions. [2023-12-03 00:09:03,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 00:09:03,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:03,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:09:03,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:03,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 00:09:03,369 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:04,478 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-03 00:09:13,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:13,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 302 states and 665 transitions. [2023-12-03 00:09:13,515 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 665 transitions. [2023-12-03 00:09:13,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 00:09:13,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:13,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:09:13,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:13,540 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 00:09:13,541 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:13,600 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-03 00:09:15,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:15,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 313 states and 693 transitions. [2023-12-03 00:09:15,465 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 693 transitions. [2023-12-03 00:09:15,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 00:09:15,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:15,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:09:15,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:15,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 00:09:15,492 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:15,547 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-03 00:09:16,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:16,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 317 states and 697 transitions. [2023-12-03 00:09:16,740 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 697 transitions. [2023-12-03 00:09:16,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 00:09:16,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:16,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:09:16,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:16,761 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:09:16,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:17,193 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-03 00:09:23,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:23,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 334 states and 738 transitions. [2023-12-03 00:09:23,381 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 738 transitions. [2023-12-03 00:09:23,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 00:09:23,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:23,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:09:23,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:23,402 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 00:09:23,403 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:23,726 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 00:09:25,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:25,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 338 states and 746 transitions. [2023-12-03 00:09:25,425 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 746 transitions. [2023-12-03 00:09:25,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 00:09:25,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:25,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:09:25,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:25,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 00:09:25,452 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:25,605 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-03 00:09:28,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:28,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 352 states and 801 transitions. [2023-12-03 00:09:28,972 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 801 transitions. [2023-12-03 00:09:28,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 00:09:28,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:28,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:09:28,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:28,996 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 00:09:28,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:29,028 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-03 00:09:30,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:30,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 356 states and 804 transitions. [2023-12-03 00:09:30,209 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 804 transitions. [2023-12-03 00:09:30,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 00:09:30,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:30,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:09:30,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:30,231 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 00:09:30,232 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:30,271 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 00:09:31,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:31,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 358 states and 805 transitions. [2023-12-03 00:09:31,122 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 805 transitions. [2023-12-03 00:09:31,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-03 00:09:31,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:31,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:09:31,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:31,148 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 00:09:31,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:31,576 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 3 proven. 25 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 00:09:34,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:34,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 369 states and 897 transitions. [2023-12-03 00:09:34,852 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 897 transitions. [2023-12-03 00:09:34,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-03 00:09:34,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:34,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:09:34,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:34,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:09:34,872 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:34,926 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-03 00:09:36,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:36,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 917 states to 374 states and 917 transitions. [2023-12-03 00:09:36,185 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 917 transitions. [2023-12-03 00:09:36,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-03 00:09:36,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:36,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:09:36,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:36,208 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 00:09:36,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:36,257 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 3 proven. 25 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 00:09:36,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:36,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 915 states to 371 states and 911 transitions. [2023-12-03 00:09:36,899 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 911 transitions. [2023-12-03 00:09:36,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 00:09:36,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:36,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:09:36,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:36,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:09:36,926 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:37,102 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-03 00:09:38,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:38,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 377 states and 938 transitions. [2023-12-03 00:09:38,837 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 938 transitions. [2023-12-03 00:09:38,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 00:09:38,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:38,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:09:38,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:38,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 00:09:38,860 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:39,300 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 00:09:45,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:45,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 399 states and 1066 transitions. [2023-12-03 00:09:45,339 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 1066 transitions. [2023-12-03 00:09:45,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 00:09:45,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:45,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:09:45,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:45,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:09:45,367 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:45,395 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-12-03 00:09:50,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:50,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1111 states to 417 states and 1107 transitions. [2023-12-03 00:09:50,675 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 1107 transitions. [2023-12-03 00:09:50,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 00:09:50,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:50,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:09:50,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:50,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:09:50,704 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:50,734 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-12-03 00:09:51,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:51,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 420 states and 1117 transitions. [2023-12-03 00:09:51,800 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 1117 transitions. [2023-12-03 00:09:51,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-03 00:09:51,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:51,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:09:51,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:51,823 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 00:09:51,824 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:52,035 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 00:09:53,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:53,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 424 states and 1125 transitions. [2023-12-03 00:09:53,700 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 1125 transitions. [2023-12-03 00:09:53,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-03 00:09:53,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:53,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:09:53,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:53,726 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:09:53,727 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:54,276 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-03 00:10:03,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:10:03,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1165 states to 437 states and 1161 transitions. [2023-12-03 00:10:03,410 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 1161 transitions. [2023-12-03 00:10:03,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-03 00:10:03,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:10:03,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:10:03,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:03,443 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:10:03,444 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:10:03,482 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-03 00:10:04,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:10:04,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 440 states and 1169 transitions. [2023-12-03 00:10:04,614 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 1169 transitions. [2023-12-03 00:10:04,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-03 00:10:04,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:10:04,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:10:04,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:04,690 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 00:10:04,691 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:10:04,924 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 6 proven. 32 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 00:10:07,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:10:07,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 447 states and 1180 transitions. [2023-12-03 00:10:07,175 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 1180 transitions. [2023-12-03 00:10:07,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-03 00:10:07,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:10:07,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:10:07,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:07,201 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 00:10:07,202 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:10:07,940 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-03 00:10:12,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:10:12,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1201 states to 455 states and 1197 transitions. [2023-12-03 00:10:12,329 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 1197 transitions. [2023-12-03 00:10:12,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-03 00:10:12,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:10:12,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:10:12,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:12,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 00:10:12,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:10:12,451 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-03 00:10:15,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:10:15,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1207 states to 459 states and 1203 transitions. [2023-12-03 00:10:15,222 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 1203 transitions. [2023-12-03 00:10:15,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 00:10:15,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:10:15,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:10:15,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:15,249 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 00:10:15,249 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:10:15,546 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-12-03 00:10:16,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:10:16,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1192 states to 459 states and 1188 transitions. [2023-12-03 00:10:16,388 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 1188 transitions. [2023-12-03 00:10:16,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 00:10:16,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:10:16,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:10:16,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:16,413 INFO L262 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 00:10:16,415 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:10:16,457 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 00:10:21,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:10:21,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 473 states and 1205 transitions. [2023-12-03 00:10:21,353 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 1205 transitions. [2023-12-03 00:10:21,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 00:10:21,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:10:21,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:10:21,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:21,379 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 00:10:21,381 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:10:21,598 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 68 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 00:10:23,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:10:23,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1214 states to 106 states and 162 transitions. [2023-12-03 00:10:23,322 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 162 transitions. [2023-12-03 00:10:23,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:10:23,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:10:23,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:10:23,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:23,354 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:10:23,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:10:23,388 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-12-03 00:10:26,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:10:26,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1225 states to 97 states and 150 transitions. [2023-12-03 00:10:26,098 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 150 transitions. [2023-12-03 00:10:26,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 00:10:26,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:10:26,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:10:26,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:26,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 00:10:26,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:10:26,632 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-03 00:10:30,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:10:30,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1235 states to 86 states and 132 transitions. [2023-12-03 00:10:30,384 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 132 transitions. [2023-12-03 00:10:30,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-03 00:10:30,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:10:30,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:10:30,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:30,412 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:10:30,413 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:10:30,791 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-12-03 00:10:49,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:10:49,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1294 states to 87 states and 134 transitions. [2023-12-03 00:10:49,334 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 134 transitions. [2023-12-03 00:10:49,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-03 00:10:49,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:10:49,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:10:49,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:49,361 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:10:49,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:10:49,469 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-12-03 00:10:52,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:10:52,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1297 states to 85 states and 131 transitions. [2023-12-03 00:10:52,396 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 131 transitions. [2023-12-03 00:10:52,396 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 00:10:52,396 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 57 iterations. [2023-12-03 00:10:52,403 INFO L751 CodeCheckObserver]: All specifications hold 28 specifications checked. All of them hold [2023-12-03 00:10:54,501 INFO L560 CodeCheckObserver]: Invariant with dag size 46 [2023-12-03 00:10:54,509 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 00:10:54,509 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 00:10:54,509 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 12:10:54 ImpRootNode [2023-12-03 00:10:54,510 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 00:10:54,510 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 00:10:54,510 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 00:10:54,510 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 00:10:54,511 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:08:26" (3/4) ... [2023-12-03 00:10:54,512 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 00:10:54,514 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-12-03 00:10:54,519 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2023-12-03 00:10:54,519 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-12-03 00:10:54,519 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-12-03 00:10:54,519 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 00:10:54,520 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 00:10:54,608 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6438026d-1a27-4eb1-b3a1-f70f127d0080/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 00:10:54,609 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6438026d-1a27-4eb1-b3a1-f70f127d0080/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 00:10:54,609 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 00:10:54,610 INFO L158 Benchmark]: Toolchain (without parser) took 149118.09ms. Allocated memory was 134.2MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 90.3MB in the beginning and 840.4MB in the end (delta: -750.2MB). Peak memory consumption was 423.1MB. Max. memory is 16.1GB. [2023-12-03 00:10:54,610 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 134.2MB. Free memory is still 78.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:10:54,610 INFO L158 Benchmark]: CACSL2BoogieTranslator took 206.64ms. Allocated memory is still 134.2MB. Free memory was 90.3MB in the beginning and 79.7MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 00:10:54,611 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.21ms. Allocated memory is still 134.2MB. Free memory was 79.7MB in the beginning and 77.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:10:54,611 INFO L158 Benchmark]: Boogie Preprocessor took 23.10ms. Allocated memory is still 134.2MB. Free memory was 77.7MB in the beginning and 76.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:10:54,612 INFO L158 Benchmark]: RCFGBuilder took 443.75ms. Allocated memory is still 134.2MB. Free memory was 76.6MB in the beginning and 59.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 00:10:54,612 INFO L158 Benchmark]: CodeCheck took 148303.82ms. Allocated memory was 134.2MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 59.8MB in the beginning and 845.7MB in the end (delta: -785.9MB). Peak memory consumption was 385.3MB. Max. memory is 16.1GB. [2023-12-03 00:10:54,612 INFO L158 Benchmark]: Witness Printer took 98.91ms. Allocated memory is still 1.3GB. Free memory was 845.7MB in the beginning and 840.4MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-03 00:10:54,614 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: 146.2s, OverallIterations: 57, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25680 SdHoareTripleChecker+Valid, 116.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22312 mSDsluCounter, 14303 SdHoareTripleChecker+Invalid, 101.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10132 mSDsCounter, 16907 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 99718 IncrementalHoareTripleChecker+Invalid, 116625 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16907 mSolverCounterUnsat, 4171 mSDtfsCounter, 99718 mSolverCounterSat, 1.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28947 GetRequests, 26974 SyntacticMatches, 793 SemanticMatches, 1180 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 843094 ImplicationChecksByTransitivity, 134.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 10.7s InterpolantComputationTime, 1855 NumberOfCodeBlocks, 1855 NumberOfCodeBlocksAsserted, 56 NumberOfCheckSat, 1799 ConstructedInterpolants, 7 QuantifiedInterpolants, 6936 SizeOfPredicates, 75 NumberOfNonLiveVariables, 6311 ConjunctsInSsa, 250 ConjunctsInUnsatCore, 56 InterpolantComputations, 38 PerfectInterpolantSequences, 1280/1518 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: ((((((((((!(((p <= 2) && (B == 1))) && !((counter == 0))) || ((d <= 1) && !((counter == 0)))) || ((counter == 0) && !(((p == 1) && (1 <= B))))) || ((2 < d) && !((counter == 0)))) || ((0 < counter) && (1 <= r))) || ((0 < counter) && !((q == 0)))) || (1 < counter)) || (((((((r <= 2147483647) && (q == 0)) && (1 <= d)) && (A <= r)) && (d <= 1)) && (B == 1)) && (0 <= (r + 2147483648)))) || ((p < 2) && !((counter == 0)))) || ((counter <= 0) && !((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 0.23ms. Allocated memory is still 134.2MB. Free memory is still 78.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 206.64ms. Allocated memory is still 134.2MB. Free memory was 90.3MB in the beginning and 79.7MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.21ms. Allocated memory is still 134.2MB. Free memory was 79.7MB in the beginning and 77.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.10ms. Allocated memory is still 134.2MB. Free memory was 77.7MB in the beginning and 76.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 443.75ms. Allocated memory is still 134.2MB. Free memory was 76.6MB in the beginning and 59.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 148303.82ms. Allocated memory was 134.2MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 59.8MB in the beginning and 845.7MB in the end (delta: -785.9MB). Peak memory consumption was 385.3MB. Max. memory is 16.1GB. * Witness Printer took 98.91ms. Allocated memory is still 1.3GB. Free memory was 845.7MB in the beginning and 840.4MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-03 00:10:54,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6438026d-1a27-4eb1-b3a1-f70f127d0080/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE