./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-crafted/xor2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_f247d063-0e5a-424b-8683-febd40f669e6/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f247d063-0e5a-424b-8683-febd40f669e6/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_f247d063-0e5a-424b-8683-febd40f669e6/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f247d063-0e5a-424b-8683-febd40f669e6/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/array-crafted/xor2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f247d063-0e5a-424b-8683-febd40f669e6/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f247d063-0e5a-424b-8683-febd40f669e6/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 32bit --witnessprinter.graph.data.programhash 134cd77c565ec0964d690e2c701df7f2f34c79dd30f80feda5f549f6f11dd00c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:08:29,666 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:08:29,771 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f247d063-0e5a-424b-8683-febd40f669e6/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:08:29,777 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:08:29,777 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:08:29,801 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:08:29,802 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:08:29,802 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:08:29,803 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:08:29,804 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:08:29,804 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:08:29,805 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:08:29,806 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:08:29,806 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:08:29,807 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:08:29,807 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:08:29,808 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:08:29,808 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:08:29,809 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:08:29,809 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:08:29,810 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:08:29,810 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:08:29,811 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:08:29,811 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:08:29,812 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:08:29,812 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:08:29,813 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:08:29,813 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:08:29,814 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:08:29,814 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:08:29,814 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:08:29,815 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:08:29,815 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:08:29,815 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:08:29,816 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:08:29,816 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_f247d063-0e5a-424b-8683-febd40f669e6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f247d063-0e5a-424b-8683-febd40f669e6/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 134cd77c565ec0964d690e2c701df7f2f34c79dd30f80feda5f549f6f11dd00c [2023-11-23 20:08:30,056 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:08:30,114 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:08:30,119 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:08:30,146 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:08:30,146 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:08:30,148 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f247d063-0e5a-424b-8683-febd40f669e6/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/array-crafted/xor2.i [2023-11-23 20:08:33,292 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:08:33,560 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:08:33,561 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f247d063-0e5a-424b-8683-febd40f669e6/sv-benchmarks/c/array-crafted/xor2.i [2023-11-23 20:08:33,569 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f247d063-0e5a-424b-8683-febd40f669e6/bin/ukojak-verify-1t5iHCbJaC/data/c27f39c66/2cc4e4c7a0c9475baa364d39bef3f8e1/FLAG73c92bfc3 [2023-11-23 20:08:33,584 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f247d063-0e5a-424b-8683-febd40f669e6/bin/ukojak-verify-1t5iHCbJaC/data/c27f39c66/2cc4e4c7a0c9475baa364d39bef3f8e1 [2023-11-23 20:08:33,594 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:08:33,596 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:08:33,598 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:08:33,600 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:08:33,606 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:08:33,607 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:08:33" (1/1) ... [2023-11-23 20:08:33,608 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d11c5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:33, skipping insertion in model container [2023-11-23 20:08:33,608 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:08:33" (1/1) ... [2023-11-23 20:08:33,637 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:08:33,854 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:08:33,864 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:08:33,889 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:08:33,904 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:08:33,905 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:33 WrapperNode [2023-11-23 20:08:33,905 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:08:33,907 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:08:33,907 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:08:33,907 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:08:33,915 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:33" (1/1) ... [2023-11-23 20:08:33,923 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:33" (1/1) ... [2023-11-23 20:08:33,946 INFO L138 Inliner]: procedures = 16, calls = 31, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 85 [2023-11-23 20:08:33,946 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:08:33,947 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:08:33,947 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:08:33,947 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:08:33,956 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:33" (1/1) ... [2023-11-23 20:08:33,957 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:33" (1/1) ... [2023-11-23 20:08:33,960 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:33" (1/1) ... [2023-11-23 20:08:33,960 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:33" (1/1) ... [2023-11-23 20:08:33,968 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:33" (1/1) ... [2023-11-23 20:08:33,976 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:33" (1/1) ... [2023-11-23 20:08:33,978 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:33" (1/1) ... [2023-11-23 20:08:33,979 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:33" (1/1) ... [2023-11-23 20:08:33,981 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:08:33,982 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:08:33,983 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:08:33,983 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:08:33,984 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:33" (1/1) ... [2023-11-23 20:08:34,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:08:34,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f247d063-0e5a-424b-8683-febd40f669e6/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:08:34,031 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f247d063-0e5a-424b-8683-febd40f669e6/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:08:34,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f247d063-0e5a-424b-8683-febd40f669e6/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:08:34,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:08:34,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:08:34,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:08:34,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:08:34,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:08:34,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:08:34,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:08:34,084 INFO L130 BoogieDeclarations]: Found specification of procedure xor [2023-11-23 20:08:34,085 INFO L138 BoogieDeclarations]: Found implementation of procedure xor [2023-11-23 20:08:34,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:08:34,171 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:08:34,173 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:08:34,422 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:08:34,533 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:08:34,533 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-23 20:08:34,535 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:08:34 BoogieIcfgContainer [2023-11-23 20:08:34,535 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:08:34,537 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:08:34,537 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:08:34,560 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:08:34,560 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:08:34" (1/1) ... [2023-11-23 20:08:34,577 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:08:34,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:34,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 29 states and 33 transitions. [2023-11-23 20:08:34,671 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2023-11-23 20:08:34,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:08:34,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:34,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:34,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:34,929 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 20:08:35,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:35,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 31 states and 36 transitions. [2023-11-23 20:08:35,005 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2023-11-23 20:08:35,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:08:35,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:35,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:35,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:35,116 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 20:08:35,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:35,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 32 states and 37 transitions. [2023-11-23 20:08:35,134 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2023-11-23 20:08:35,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:08:35,134 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:35,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:35,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:35,270 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:08:35,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:35,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 34 states and 40 transitions. [2023-11-23 20:08:35,399 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 40 transitions. [2023-11-23 20:08:35,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:08:35,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:35,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:35,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:35,505 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:08:35,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:35,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 33 states and 39 transitions. [2023-11-23 20:08:35,604 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2023-11-23 20:08:35,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:08:35,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:35,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:35,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:35,705 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:08:35,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:35,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 34 states and 40 transitions. [2023-11-23 20:08:35,788 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 40 transitions. [2023-11-23 20:08:35,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:08:35,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:35,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:35,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:35,965 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:08:36,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:36,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 31 states and 35 transitions. [2023-11-23 20:08:36,027 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2023-11-23 20:08:36,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:08:36,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:36,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:36,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:36,141 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-23 20:08:36,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:36,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 33 states and 38 transitions. [2023-11-23 20:08:36,237 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2023-11-23 20:08:36,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:08:36,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:36,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:36,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:36,327 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-23 20:08:36,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:36,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 34 states and 39 transitions. [2023-11-23 20:08:36,353 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 39 transitions. [2023-11-23 20:08:36,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:08:36,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:36,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:36,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:36,510 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:08:36,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:36,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 37 states and 42 transitions. [2023-11-23 20:08:36,752 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 42 transitions. [2023-11-23 20:08:36,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:08:36,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:36,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:36,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:36,908 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:08:37,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:37,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 40 states and 45 transitions. [2023-11-23 20:08:37,183 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 45 transitions. [2023-11-23 20:08:37,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:08:37,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:37,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:37,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:37,358 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:08:37,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:37,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 43 states and 48 transitions. [2023-11-23 20:08:37,718 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 48 transitions. [2023-11-23 20:08:37,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:08:37,719 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:37,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:37,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:37,947 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:08:38,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:38,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 46 states and 51 transitions. [2023-11-23 20:08:38,242 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 51 transitions. [2023-11-23 20:08:38,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:08:38,243 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:38,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:38,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:38,540 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:08:38,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:38,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 49 states and 54 transitions. [2023-11-23 20:08:38,857 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2023-11-23 20:08:38,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:08:38,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:38,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:38,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:39,145 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:08:39,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:39,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 52 states and 57 transitions. [2023-11-23 20:08:39,508 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 57 transitions. [2023-11-23 20:08:39,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:08:39,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:39,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:39,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:39,810 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:08:40,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:40,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 55 states and 60 transitions. [2023-11-23 20:08:40,217 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 60 transitions. [2023-11-23 20:08:40,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:08:40,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:40,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:40,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:40,556 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:08:40,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:40,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 58 states and 63 transitions. [2023-11-23 20:08:40,969 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 63 transitions. [2023-11-23 20:08:40,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 20:08:40,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:40,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:40,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:41,389 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:08:41,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:41,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 61 states and 66 transitions. [2023-11-23 20:08:41,833 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 66 transitions. [2023-11-23 20:08:41,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-23 20:08:41,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:41,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:41,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:42,232 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:08:42,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:42,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 64 states and 69 transitions. [2023-11-23 20:08:42,723 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 69 transitions. [2023-11-23 20:08:42,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 20:08:42,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:42,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:42,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:43,227 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:08:43,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:43,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 67 states and 72 transitions. [2023-11-23 20:08:43,736 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 72 transitions. [2023-11-23 20:08:43,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 20:08:43,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:43,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:43,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:44,208 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 0 proven. 247 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:08:44,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:44,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 70 states and 75 transitions. [2023-11-23 20:08:44,741 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 75 transitions. [2023-11-23 20:08:44,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-23 20:08:44,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:44,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:44,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:45,315 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 287 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:08:45,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:45,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 73 states and 78 transitions. [2023-11-23 20:08:45,873 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 78 transitions. [2023-11-23 20:08:45,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-23 20:08:45,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:45,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:45,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:46,426 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:08:47,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:47,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 76 states and 81 transitions. [2023-11-23 20:08:47,025 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 81 transitions. [2023-11-23 20:08:47,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-23 20:08:47,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:47,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:47,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:47,563 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 376 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:08:48,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:48,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 79 states and 84 transitions. [2023-11-23 20:08:48,180 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 84 transitions. [2023-11-23 20:08:48,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-23 20:08:48,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:48,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:48,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:48,823 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 0 proven. 425 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:08:49,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:49,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 82 states and 87 transitions. [2023-11-23 20:08:49,464 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 87 transitions. [2023-11-23 20:08:49,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-23 20:08:49,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:49,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:49,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:50,072 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 0 proven. 477 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:08:50,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:50,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 85 states and 90 transitions. [2023-11-23 20:08:50,755 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 90 transitions. [2023-11-23 20:08:50,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-23 20:08:50,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:50,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:50,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:51,420 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 0 proven. 532 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:08:52,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:52,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 88 states and 93 transitions. [2023-11-23 20:08:52,135 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 93 transitions. [2023-11-23 20:08:52,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-23 20:08:52,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:52,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:52,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:52,884 INFO L134 CoverageAnalysis]: Checked inductivity of 592 backedges. 0 proven. 590 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:08:53,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:53,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 91 states and 96 transitions. [2023-11-23 20:08:53,608 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 96 transitions. [2023-11-23 20:08:53,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-23 20:08:53,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:53,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:53,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:54,379 INFO L134 CoverageAnalysis]: Checked inductivity of 653 backedges. 0 proven. 651 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:08:55,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:55,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 94 states and 99 transitions. [2023-11-23 20:08:55,119 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 99 transitions. [2023-11-23 20:08:55,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-23 20:08:55,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:55,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:55,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:55,874 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 0 proven. 715 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:08:56,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:56,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 97 states and 102 transitions. [2023-11-23 20:08:56,649 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 102 transitions. [2023-11-23 20:08:56,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-23 20:08:56,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:56,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:56,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:57,602 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 0 proven. 782 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:08:58,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:58,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 100 states and 105 transitions. [2023-11-23 20:08:58,337 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 105 transitions. [2023-11-23 20:08:58,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-23 20:08:58,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:58,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:58,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:59,205 INFO L134 CoverageAnalysis]: Checked inductivity of 854 backedges. 0 proven. 852 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:08:59,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:59,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 103 states and 108 transitions. [2023-11-23 20:08:59,941 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 108 transitions. [2023-11-23 20:08:59,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-23 20:08:59,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:59,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:59,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:00,823 INFO L134 CoverageAnalysis]: Checked inductivity of 927 backedges. 0 proven. 925 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:09:01,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:01,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 106 states and 111 transitions. [2023-11-23 20:09:01,666 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 111 transitions. [2023-11-23 20:09:01,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-23 20:09:01,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:01,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:01,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:02,674 INFO L134 CoverageAnalysis]: Checked inductivity of 1003 backedges. 0 proven. 1001 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:09:03,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:03,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 109 states and 114 transitions. [2023-11-23 20:09:03,554 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 114 transitions. [2023-11-23 20:09:03,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-23 20:09:03,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:03,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:03,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:04,534 INFO L134 CoverageAnalysis]: Checked inductivity of 1082 backedges. 0 proven. 1080 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:09:05,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:05,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 112 states and 117 transitions. [2023-11-23 20:09:05,399 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 117 transitions. [2023-11-23 20:09:05,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-11-23 20:09:05,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:05,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:05,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:06,349 INFO L134 CoverageAnalysis]: Checked inductivity of 1164 backedges. 0 proven. 1162 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:09:07,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:07,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 115 states and 120 transitions. [2023-11-23 20:09:07,232 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 120 transitions. [2023-11-23 20:09:07,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-23 20:09:07,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:07,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:07,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:08,346 INFO L134 CoverageAnalysis]: Checked inductivity of 1249 backedges. 0 proven. 1247 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:09:09,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:09,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 118 states and 123 transitions. [2023-11-23 20:09:09,265 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 123 transitions. [2023-11-23 20:09:09,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-11-23 20:09:09,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:09,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:09,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:10,339 INFO L134 CoverageAnalysis]: Checked inductivity of 1337 backedges. 0 proven. 1335 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:09:11,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:11,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 121 states and 126 transitions. [2023-11-23 20:09:11,278 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 126 transitions. [2023-11-23 20:09:11,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-23 20:09:11,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:11,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:11,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:12,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1428 backedges. 0 proven. 1426 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:09:13,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:13,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 124 states and 129 transitions. [2023-11-23 20:09:13,355 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 129 transitions. [2023-11-23 20:09:13,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-23 20:09:13,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:13,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:13,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:14,498 INFO L134 CoverageAnalysis]: Checked inductivity of 1522 backedges. 0 proven. 1520 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:09:15,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:15,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 127 states and 132 transitions. [2023-11-23 20:09:15,507 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 132 transitions. [2023-11-23 20:09:15,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-23 20:09:15,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:15,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:15,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:16,643 INFO L134 CoverageAnalysis]: Checked inductivity of 1619 backedges. 0 proven. 1617 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:09:17,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:17,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 130 states and 135 transitions. [2023-11-23 20:09:17,658 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 135 transitions. [2023-11-23 20:09:17,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-11-23 20:09:17,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:17,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms