./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.09_assume-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_879fcdc8-cdc2-4788-acd3-f99ac59113d7/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879fcdc8-cdc2-4788-acd3-f99ac59113d7/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_879fcdc8-cdc2-4788-acd3-f99ac59113d7/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879fcdc8-cdc2-4788-acd3-f99ac59113d7/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.09_assume-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879fcdc8-cdc2-4788-acd3-f99ac59113d7/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_879fcdc8-cdc2-4788-acd3-f99ac59113d7/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 4cca1c0210c0a53cd372224714db019427e8e227743584713b4610995b14f457 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:08:57,661 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:08:57,737 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879fcdc8-cdc2-4788-acd3-f99ac59113d7/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:08:57,741 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:08:57,742 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:08:57,766 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:08:57,767 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:08:57,767 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:08:57,768 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:08:57,769 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:08:57,769 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:08:57,770 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:08:57,770 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:08:57,771 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:08:57,771 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:08:57,772 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:08:57,772 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:08:57,773 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:08:57,773 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:08:57,774 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:08:57,774 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:08:57,775 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:08:57,775 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:08:57,776 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:08:57,776 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:08:57,777 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:08:57,777 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:08:57,778 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:08:57,778 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:08:57,778 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:08:57,779 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:08:57,779 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:08:57,789 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_879fcdc8-cdc2-4788-acd3-f99ac59113d7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879fcdc8-cdc2-4788-acd3-f99ac59113d7/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4cca1c0210c0a53cd372224714db019427e8e227743584713b4610995b14f457 [2023-11-23 20:08:58,045 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:08:58,079 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:08:58,083 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:08:58,085 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:08:58,086 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:08:58,087 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879fcdc8-cdc2-4788-acd3-f99ac59113d7/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/termination-memory-alloca/b.09_assume-alloca.i [2023-11-23 20:09:01,334 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:09:01,685 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:09:01,686 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879fcdc8-cdc2-4788-acd3-f99ac59113d7/sv-benchmarks/c/termination-memory-alloca/b.09_assume-alloca.i [2023-11-23 20:09:01,704 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879fcdc8-cdc2-4788-acd3-f99ac59113d7/bin/ukojak-verify-1t5iHCbJaC/data/a4877b4e9/bd82ff8276f5460d924b164f1d90430e/FLAG5c14d44ca [2023-11-23 20:09:01,721 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879fcdc8-cdc2-4788-acd3-f99ac59113d7/bin/ukojak-verify-1t5iHCbJaC/data/a4877b4e9/bd82ff8276f5460d924b164f1d90430e [2023-11-23 20:09:01,724 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:09:01,726 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:09:01,727 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:09:01,728 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:09:01,737 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:09:01,738 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:09:01" (1/1) ... [2023-11-23 20:09:01,739 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23efb470 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:01, skipping insertion in model container [2023-11-23 20:09:01,740 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:09:01" (1/1) ... [2023-11-23 20:09:01,811 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:09:02,258 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:09:02,272 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:09:02,345 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:09:02,377 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:09:02,377 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:02 WrapperNode [2023-11-23 20:09:02,378 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:09:02,379 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:09:02,379 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:09:02,380 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:09:02,388 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:02" (1/1) ... [2023-11-23 20:09:02,403 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:02" (1/1) ... [2023-11-23 20:09:02,428 INFO L138 Inliner]: procedures = 111, calls = 35, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 103 [2023-11-23 20:09:02,428 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:09:02,429 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:09:02,429 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:09:02,429 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:09:02,439 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:02" (1/1) ... [2023-11-23 20:09:02,439 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:02" (1/1) ... [2023-11-23 20:09:02,443 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:02" (1/1) ... [2023-11-23 20:09:02,444 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:02" (1/1) ... [2023-11-23 20:09:02,461 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:02" (1/1) ... [2023-11-23 20:09:02,464 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:02" (1/1) ... [2023-11-23 20:09:02,466 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:02" (1/1) ... [2023-11-23 20:09:02,467 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:02" (1/1) ... [2023-11-23 20:09:02,470 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:09:02,471 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:09:02,471 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:09:02,472 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:09:02,473 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:02" (1/1) ... [2023-11-23 20:09:02,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:09:02,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879fcdc8-cdc2-4788-acd3-f99ac59113d7/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:09:02,518 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879fcdc8-cdc2-4788-acd3-f99ac59113d7/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:09:02,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879fcdc8-cdc2-4788-acd3-f99ac59113d7/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:09:02,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:09:02,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:09:02,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:09:02,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:09:02,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:09:02,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:09:02,750 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:09:02,752 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:09:02,991 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:09:03,083 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:09:03,083 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:09:03,085 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:09:03 BoogieIcfgContainer [2023-11-23 20:09:03,085 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:09:03,086 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:09:03,086 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:09:03,102 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:09:03,102 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:09:03" (1/1) ... [2023-11-23 20:09:03,111 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:09:03,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:03,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2023-11-23 20:09:03,189 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-11-23 20:09:03,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:09:03,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:03,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:03,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:03,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:09:04,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:04,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2023-11-23 20:09:04,121 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2023-11-23 20:09:04,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:09:04,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:04,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:04,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:04,353 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 20:09:04,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:04,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2023-11-23 20:09:04,415 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2023-11-23 20:09:04,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:09:04,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:04,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:04,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:04,722 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 20:09:04,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:04,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2023-11-23 20:09:04,770 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2023-11-23 20:09:04,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:09:04,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:04,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:04,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:05,250 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 20:09:06,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:06,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 29 states and 42 transitions. [2023-11-23 20:09:06,102 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 42 transitions. [2023-11-23 20:09:06,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:09:06,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:06,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:06,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:06,279 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 20:09:06,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:06,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 32 states and 46 transitions. [2023-11-23 20:09:06,860 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 46 transitions. [2023-11-23 20:09:06,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:09:06,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:06,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:06,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:07,360 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 20:09:08,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:08,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 40 states and 62 transitions. [2023-11-23 20:09:08,354 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 62 transitions. [2023-11-23 20:09:08,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:09:08,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:08,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:08,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:09,000 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 20:09:10,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:10,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 48 states and 78 transitions. [2023-11-23 20:09:10,474 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 78 transitions. [2023-11-23 20:09:10,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:09:10,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:10,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:10,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:11,405 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 20:09:14,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:14,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 57 states and 96 transitions. [2023-11-23 20:09:14,171 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 96 transitions. [2023-11-23 20:09:14,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:09:14,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:14,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:14,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:15,264 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:09:17,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:17,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 61 states and 104 transitions. [2023-11-23 20:09:17,555 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 104 transitions. [2023-11-23 20:09:17,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:09:17,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:17,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:17,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:17,800 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 20:09:19,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:19,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 64 states and 108 transitions. [2023-11-23 20:09:19,074 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 108 transitions. [2023-11-23 20:09:19,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:09:19,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:19,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:19,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:19,835 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 20:09:21,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:21,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 70 states and 118 transitions. [2023-11-23 20:09:21,591 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 118 transitions. [2023-11-23 20:09:21,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:09:21,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:21,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:21,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:22,127 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:09:22,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:22,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 73 states and 121 transitions. [2023-11-23 20:09:22,975 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 121 transitions. [2023-11-23 20:09:22,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:09:22,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:22,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:22,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:23,675 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:09:24,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:24,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 79 states and 135 transitions. [2023-11-23 20:09:24,755 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 135 transitions. [2023-11-23 20:09:24,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:09:24,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:24,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:24,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:25,885 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 20:09:30,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:30,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 88 states and 150 transitions. [2023-11-23 20:09:30,063 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 150 transitions. [2023-11-23 20:09:30,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:09:30,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:30,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:30,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:30,343 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:09:31,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:31,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 91 states and 154 transitions. [2023-11-23 20:09:31,713 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 154 transitions. [2023-11-23 20:09:31,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:09:31,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:31,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:31,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:31,960 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:09:32,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:32,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 91 states and 153 transitions. [2023-11-23 20:09:32,572 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 153 transitions. [2023-11-23 20:09:32,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:09:32,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:32,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:32,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:33,380 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 12 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:09:34,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:34,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 94 states and 156 transitions. [2023-11-23 20:09:34,260 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 156 transitions. [2023-11-23 20:09:34,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:09:34,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:34,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:34,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:35,182 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:09:36,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:36,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 100 states and 170 transitions. [2023-11-23 20:09:36,546 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 170 transitions. [2023-11-23 20:09:36,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:09:36,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:36,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:36,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:38,403 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 18 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:09:44,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:44,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 113 states and 195 transitions. [2023-11-23 20:09:44,382 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 195 transitions. [2023-11-23 20:09:44,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:09:44,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:44,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:44,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:44,729 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:09:46,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:46,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 116 states and 199 transitions. [2023-11-23 20:09:46,491 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 199 transitions. [2023-11-23 20:09:46,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:09:46,491 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:46,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:46,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:46,745 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.