./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.09-no-inv_assume-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43ed749-d6b8-4ff6-82dd-b25f33977525/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43ed749-d6b8-4ff6-82dd-b25f33977525/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43ed749-d6b8-4ff6-82dd-b25f33977525/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43ed749-d6b8-4ff6-82dd-b25f33977525/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.09-no-inv_assume-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43ed749-d6b8-4ff6-82dd-b25f33977525/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43ed749-d6b8-4ff6-82dd-b25f33977525/bin/ukojak-verify-1t5iHCbJaC --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 64bit --witnessprinter.graph.data.programhash b459ef52e6f503a483dfcee5782d400696002c8f6100462cc05f5e2316fe0d4b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:24:56,609 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:24:56,744 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43ed749-d6b8-4ff6-82dd-b25f33977525/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:24:56,753 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:24:56,754 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:24:56,793 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:24:56,794 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:24:56,794 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:24:56,795 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:24:56,800 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:24:56,801 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:24:56,801 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:24:56,802 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:24:56,803 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:24:56,804 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:24:56,804 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:24:56,805 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:24:56,805 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:24:56,805 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:24:56,806 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:24:56,807 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:24:56,808 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:24:56,808 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:24:56,808 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:24:56,809 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:24:56,809 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:24:56,810 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:24:56,810 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:24:56,811 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:24:56,811 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:24:56,812 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:24:56,813 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:24:56,813 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_f43ed749-d6b8-4ff6-82dd-b25f33977525/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43ed749-d6b8-4ff6-82dd-b25f33977525/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b459ef52e6f503a483dfcee5782d400696002c8f6100462cc05f5e2316fe0d4b [2023-11-23 20:24:57,133 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:24:57,165 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:24:57,188 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:24:57,189 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:24:57,190 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:24:57,191 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43ed749-d6b8-4ff6-82dd-b25f33977525/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/termination-memory-alloca/b.09-no-inv_assume-alloca.i [2023-11-23 20:25:00,253 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:25:00,517 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:25:00,520 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43ed749-d6b8-4ff6-82dd-b25f33977525/sv-benchmarks/c/termination-memory-alloca/b.09-no-inv_assume-alloca.i [2023-11-23 20:25:00,536 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43ed749-d6b8-4ff6-82dd-b25f33977525/bin/ukojak-verify-1t5iHCbJaC/data/d807d5e76/9108e50541544ba496ccb32260058d79/FLAG193f1d4de [2023-11-23 20:25:00,550 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43ed749-d6b8-4ff6-82dd-b25f33977525/bin/ukojak-verify-1t5iHCbJaC/data/d807d5e76/9108e50541544ba496ccb32260058d79 [2023-11-23 20:25:00,553 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:25:00,555 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:25:00,556 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:25:00,556 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:25:00,561 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:25:00,562 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:25:00" (1/1) ... [2023-11-23 20:25:00,563 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fe2b04e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:00, skipping insertion in model container [2023-11-23 20:25:00,564 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:25:00" (1/1) ... [2023-11-23 20:25:00,607 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:25:00,949 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:25:00,962 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:25:01,024 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:25:01,060 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:25:01,060 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:01 WrapperNode [2023-11-23 20:25:01,061 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:25:01,062 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:25:01,062 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:25:01,063 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:25:01,071 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:01" (1/1) ... [2023-11-23 20:25:01,099 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:01" (1/1) ... [2023-11-23 20:25:01,122 INFO L138 Inliner]: procedures = 111, calls = 30, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 89 [2023-11-23 20:25:01,123 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:25:01,124 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:25:01,124 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:25:01,124 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:25:01,133 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:01" (1/1) ... [2023-11-23 20:25:01,134 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:01" (1/1) ... [2023-11-23 20:25:01,139 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:01" (1/1) ... [2023-11-23 20:25:01,139 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:01" (1/1) ... [2023-11-23 20:25:01,148 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:01" (1/1) ... [2023-11-23 20:25:01,151 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:01" (1/1) ... [2023-11-23 20:25:01,153 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:01" (1/1) ... [2023-11-23 20:25:01,154 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:01" (1/1) ... [2023-11-23 20:25:01,157 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:25:01,158 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:25:01,158 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:25:01,158 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:25:01,159 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:01" (1/1) ... [2023-11-23 20:25:01,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:25:01,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43ed749-d6b8-4ff6-82dd-b25f33977525/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:25:01,196 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43ed749-d6b8-4ff6-82dd-b25f33977525/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:25:01,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f43ed749-d6b8-4ff6-82dd-b25f33977525/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:25:01,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:25:01,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:25:01,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:25:01,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:25:01,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:25:01,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:25:01,375 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:25:01,378 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:25:01,530 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:25:01,624 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:25:01,624 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:25:01,626 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:25:01 BoogieIcfgContainer [2023-11-23 20:25:01,626 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:25:01,627 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:25:01,627 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:25:01,641 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:25:01,641 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:25:01" (1/1) ... [2023-11-23 20:25:01,649 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:25:01,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:01,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-11-23 20:25:01,711 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-11-23 20:25:01,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:25:01,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:01,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:01,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:02,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:25:02,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:02,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2023-11-23 20:25:02,460 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2023-11-23 20:25:02,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:25:02,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:02,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:02,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:02,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:25:03,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:03,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2023-11-23 20:25:03,581 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2023-11-23 20:25:03,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:25:03,595 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:03,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:03,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:03,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:25:04,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:04,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2023-11-23 20:25:04,911 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2023-11-23 20:25:04,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:25:04,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:04,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:04,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:05,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:25:05,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:05,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2023-11-23 20:25:05,193 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2023-11-23 20:25:05,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:25:05,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:05,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:05,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:05,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:25:05,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:05,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2023-11-23 20:25:05,771 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2023-11-23 20:25:05,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:25:05,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:05,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:05,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:06,569 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:25:08,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:08,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 40 states and 66 transitions. [2023-11-23 20:25:08,364 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 66 transitions. [2023-11-23 20:25:08,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:25:08,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:08,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:08,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:08,816 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:25:09,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:09,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 45 states and 79 transitions. [2023-11-23 20:25:09,764 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 79 transitions. [2023-11-23 20:25:09,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:25:09,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:09,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:09,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:10,477 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:25:12,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:12,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 51 states and 90 transitions. [2023-11-23 20:25:12,510 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 90 transitions. [2023-11-23 20:25:12,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:25:12,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:12,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:12,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:12,922 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:25:14,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:14,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 57 states and 106 transitions. [2023-11-23 20:25:14,341 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 106 transitions. [2023-11-23 20:25:14,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:25:14,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:14,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:14,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:15,429 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:25:17,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:17,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 65 states and 129 transitions. [2023-11-23 20:25:17,885 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 129 transitions. [2023-11-23 20:25:17,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:25:17,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:17,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:17,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:18,103 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:25:18,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:18,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 67 states and 133 transitions. [2023-11-23 20:25:18,911 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 133 transitions. [2023-11-23 20:25:18,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:25:18,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:18,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:18,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:19,101 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:25:19,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:19,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 70 states and 142 transitions. [2023-11-23 20:25:19,865 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 142 transitions. [2023-11-23 20:25:19,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:25:19,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:19,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:19,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:20,051 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:25:20,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:20,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 72 states and 145 transitions. [2023-11-23 20:25:20,817 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 145 transitions. [2023-11-23 20:25:20,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:25:20,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:20,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:20,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:21,020 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:25:21,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:21,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 75 states and 150 transitions. [2023-11-23 20:25:21,842 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 150 transitions. [2023-11-23 20:25:21,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:25:21,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:21,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:21,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:22,038 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:25:22,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:22,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 76 states and 151 transitions. [2023-11-23 20:25:22,499 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 151 transitions. [2023-11-23 20:25:22,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:25:22,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:22,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:22,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:24,109 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:25:31,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:31,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 88 states and 187 transitions. [2023-11-23 20:25:31,029 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 187 transitions. [2023-11-23 20:25:31,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:25:31,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:31,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:31,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:31,212 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:25:31,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:31,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 89 states and 188 transitions. [2023-11-23 20:25:31,694 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 188 transitions. [2023-11-23 20:25:31,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:25:31,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:31,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:31,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:33,252 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:25:36,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:36,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 92 states and 201 transitions. [2023-11-23 20:25:36,049 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 201 transitions. [2023-11-23 20:25:36,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:25:36,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:36,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:36,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:37,578 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:25:41,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:41,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 98 states and 210 transitions. [2023-11-23 20:25:41,882 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 210 transitions. [2023-11-23 20:25:41,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:25:41,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:41,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:41,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:43,575 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:25:46,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:46,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 102 states and 221 transitions. [2023-11-23 20:25:46,937 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 221 transitions. [2023-11-23 20:25:46,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:25:46,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:46,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:46,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:48,435 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.