./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3508e8c2-c96a-4822-9460-c0fb59f51796/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3508e8c2-c96a-4822-9460-c0fb59f51796/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3508e8c2-c96a-4822-9460-c0fb59f51796/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3508e8c2-c96a-4822-9460-c0fb59f51796/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3508e8c2-c96a-4822-9460-c0fb59f51796/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3508e8c2-c96a-4822-9460-c0fb59f51796/bin/ukojak-verify-0OAaufAVZV --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 eb589a592aff310a2662d7a22b89559cebd75929901bc5e2cc7816fe45d47c92 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:49:26,767 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:49:26,886 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3508e8c2-c96a-4822-9460-c0fb59f51796/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:49:26,893 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:49:26,894 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:49:26,954 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:49:26,955 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:49:26,956 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:49:26,957 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:49:26,958 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:49:26,959 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:49:26,960 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:49:26,961 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:49:26,961 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:49:26,962 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:49:26,963 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:49:26,964 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:49:26,964 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:49:26,965 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:49:26,966 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:49:26,967 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:49:26,968 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:49:26,968 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:49:26,969 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:49:26,970 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:49:26,970 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:49:26,971 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:49:26,972 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:49:26,973 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:49:26,974 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:49:26,974 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:49:26,975 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:49:26,976 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:49:26,976 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:49:26,977 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_3508e8c2-c96a-4822-9460-c0fb59f51796/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3508e8c2-c96a-4822-9460-c0fb59f51796/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb589a592aff310a2662d7a22b89559cebd75929901bc5e2cc7816fe45d47c92 [2023-11-11 23:49:27,339 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:49:27,366 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:49:27,370 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:49:27,371 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:49:27,372 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:49:27,374 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3508e8c2-c96a-4822-9460-c0fb59f51796/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength.c [2023-11-11 23:49:30,846 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:49:31,176 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:49:31,177 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3508e8c2-c96a-4822-9460-c0fb59f51796/sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength.c [2023-11-11 23:49:31,187 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3508e8c2-c96a-4822-9460-c0fb59f51796/bin/ukojak-verify-0OAaufAVZV/data/3b84253ba/6cf2552ed11a4eb38ab62b367a72e8aa/FLAG70669a215 [2023-11-11 23:49:31,206 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3508e8c2-c96a-4822-9460-c0fb59f51796/bin/ukojak-verify-0OAaufAVZV/data/3b84253ba/6cf2552ed11a4eb38ab62b367a72e8aa [2023-11-11 23:49:31,210 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:49:31,212 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:49:31,214 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:49:31,214 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:49:31,221 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:49:31,222 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:49:31" (1/1) ... [2023-11-11 23:49:31,223 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5800effc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:31, skipping insertion in model container [2023-11-11 23:49:31,224 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:49:31" (1/1) ... [2023-11-11 23:49:31,253 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:49:31,519 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:49:31,534 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:49:31,561 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:49:31,580 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:49:31,581 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:31 WrapperNode [2023-11-11 23:49:31,581 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:49:31,583 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:49:31,584 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:49:31,584 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:49:31,595 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:31" (1/1) ... [2023-11-11 23:49:31,604 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:31" (1/1) ... [2023-11-11 23:49:31,638 INFO L138 Inliner]: procedures = 8, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 65 [2023-11-11 23:49:31,639 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:49:31,640 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:49:31,641 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:49:31,641 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:49:31,654 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:31" (1/1) ... [2023-11-11 23:49:31,654 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:31" (1/1) ... [2023-11-11 23:49:31,670 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:31" (1/1) ... [2023-11-11 23:49:31,671 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:31" (1/1) ... [2023-11-11 23:49:31,677 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:31" (1/1) ... [2023-11-11 23:49:31,683 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:31" (1/1) ... [2023-11-11 23:49:31,695 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:31" (1/1) ... [2023-11-11 23:49:31,696 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:31" (1/1) ... [2023-11-11 23:49:31,699 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:49:31,700 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:49:31,700 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:49:31,700 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:49:31,702 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:31" (1/1) ... [2023-11-11 23:49:31,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:49:31,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3508e8c2-c96a-4822-9460-c0fb59f51796/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:49:31,741 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3508e8c2-c96a-4822-9460-c0fb59f51796/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:49:31,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3508e8c2-c96a-4822-9460-c0fb59f51796/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:49:31,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:49:31,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:49:31,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:49:31,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:49:31,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:49:31,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:49:31,902 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:49:31,905 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:49:32,129 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:49:32,181 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:49:32,182 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-11 23:49:32,185 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:49:32 BoogieIcfgContainer [2023-11-11 23:49:32,186 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:49:32,187 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:49:32,187 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:49:32,201 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:49:32,202 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:49:32" (1/1) ... [2023-11-11 23:49:32,215 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:49:32,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:32,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2023-11-11 23:49:32,285 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2023-11-11 23:49:32,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-11 23:49:32,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:32,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:32,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:32,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:32,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:32,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2023-11-11 23:49:32,755 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2023-11-11 23:49:32,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-11 23:49:32,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:32,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:32,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:32,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:33,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:33,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2023-11-11 23:49:33,056 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2023-11-11 23:49:33,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-11 23:49:33,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:33,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:33,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:33,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:33,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:33,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2023-11-11 23:49:33,213 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2023-11-11 23:49:33,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:49:33,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:33,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:33,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:33,370 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:49:33,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:33,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2023-11-11 23:49:33,568 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2023-11-11 23:49:33,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:49:33,574 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:33,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:33,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:33,789 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:34,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:34,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 44 transitions. [2023-11-11 23:49:34,212 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 44 transitions. [2023-11-11 23:49:34,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:49:34,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:34,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:34,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:34,290 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:49:34,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:34,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 30 states and 45 transitions. [2023-11-11 23:49:34,324 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 45 transitions. [2023-11-11 23:49:34,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:49:34,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:34,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:34,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:34,424 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:34,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:34,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 31 states and 46 transitions. [2023-11-11 23:49:34,557 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 46 transitions. [2023-11-11 23:49:34,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-11 23:49:34,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:34,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:34,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:34,726 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:49:34,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:34,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 33 states and 52 transitions. [2023-11-11 23:49:34,992 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2023-11-11 23:49:34,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-11 23:49:34,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:34,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:35,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:35,152 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:49:35,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:35,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 36 states and 57 transitions. [2023-11-11 23:49:35,461 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 57 transitions. [2023-11-11 23:49:35,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-11 23:49:35,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:35,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:35,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:35,577 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:49:36,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:36,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 39 states and 63 transitions. [2023-11-11 23:49:36,012 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 63 transitions. [2023-11-11 23:49:36,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-11 23:49:36,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:36,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:36,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:36,224 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:49:37,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:37,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 45 states and 74 transitions. [2023-11-11 23:49:37,191 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 74 transitions. [2023-11-11 23:49:37,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-11 23:49:37,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:37,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:37,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:37,595 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:49:37,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:37,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 46 states and 74 transitions. [2023-11-11 23:49:37,753 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 74 transitions. [2023-11-11 23:49:37,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:49:37,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:37,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:37,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:37,865 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-11 23:49:37,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:37,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 49 states and 79 transitions. [2023-11-11 23:49:37,968 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 79 transitions. [2023-11-11 23:49:37,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-11 23:49:37,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:37,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:37,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:38,012 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-11 23:49:38,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:38,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 50 states and 80 transitions. [2023-11-11 23:49:38,032 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 80 transitions. [2023-11-11 23:49:38,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-11 23:49:38,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:38,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:38,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:38,228 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-11 23:49:38,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:38,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 51 states and 81 transitions. [2023-11-11 23:49:38,414 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 81 transitions. [2023-11-11 23:49:38,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-11 23:49:38,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:38,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:38,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:38,747 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:49:39,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:39,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 53 states and 85 transitions. [2023-11-11 23:49:39,342 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 85 transitions. [2023-11-11 23:49:39,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-11 23:49:39,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:39,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:39,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:39,514 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-11 23:49:39,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:39,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 54 states and 85 transitions. [2023-11-11 23:49:39,710 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 85 transitions. [2023-11-11 23:49:39,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-11 23:49:39,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:39,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:39,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:40,282 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 24 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:49:42,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:42,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 61 states and 93 transitions. [2023-11-11 23:49:42,059 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 93 transitions. [2023-11-11 23:49:42,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-11 23:49:42,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:42,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:42,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:42,384 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:49:43,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:43,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 64 states and 101 transitions. [2023-11-11 23:49:43,005 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 101 transitions. [2023-11-11 23:49:43,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-11 23:49:43,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:43,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:43,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:43,248 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-11 23:49:43,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:43,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 65 states and 102 transitions. [2023-11-11 23:49:43,472 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 102 transitions. [2023-11-11 23:49:43,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-11 23:49:43,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:43,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:43,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:43,688 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 36 proven. 9 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-11 23:49:44,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:44,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 68 states and 109 transitions. [2023-11-11 23:49:44,248 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 109 transitions. [2023-11-11 23:49:44,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-11 23:49:44,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:44,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:44,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:44,910 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 46 proven. 11 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-11 23:49:45,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:45,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 70 states and 110 transitions. [2023-11-11 23:49:45,720 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 110 transitions. [2023-11-11 23:49:45,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-11 23:49:45,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:45,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:45,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:46,092 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-11 23:49:48,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:48,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 82 states and 127 transitions. [2023-11-11 23:49:48,678 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 127 transitions. [2023-11-11 23:49:48,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-11 23:49:48,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:48,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:48,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:49,078 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 79 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-11-11 23:49:49,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:49,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 83 states and 128 transitions. [2023-11-11 23:49:49,345 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 128 transitions. [2023-11-11 23:49:49,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-11 23:49:49,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:49,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:49,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:49,698 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 88 proven. 18 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2023-11-11 23:49:50,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:50,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 86 states and 136 transitions. [2023-11-11 23:49:50,390 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 136 transitions. [2023-11-11 23:49:50,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-11 23:49:50,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:50,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:50,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:50,527 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 102 proven. 4 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2023-11-11 23:49:50,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:50,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 88 states and 137 transitions. [2023-11-11 23:49:50,861 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 137 transitions. [2023-11-11 23:49:50,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-11 23:49:50,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:50,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:50,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:51,256 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 110 proven. 30 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2023-11-11 23:49:51,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:51,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 91 states and 145 transitions. [2023-11-11 23:49:51,948 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 145 transitions. [2023-11-11 23:49:51,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-11 23:49:51,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:51,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:51,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:52,562 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 185 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-11 23:49:56,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:56,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 106 states and 166 transitions. [2023-11-11 23:49:56,380 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 166 transitions. [2023-11-11 23:49:56,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-11 23:49:56,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:56,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:56,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:56,841 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-11-11 23:49:57,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:57,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 107 states and 167 transitions. [2023-11-11 23:49:57,253 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 167 transitions. [2023-11-11 23:49:57,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-11 23:49:57,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:57,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:57,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:57,385 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 195 proven. 5 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2023-11-11 23:49:57,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:57,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 109 states and 168 transitions. [2023-11-11 23:49:57,779 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 168 transitions. [2023-11-11 23:49:57,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-11 23:49:57,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:57,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:57,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:58,517 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 390 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-11-11 23:50:03,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:03,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 127 states and 191 transitions. [2023-11-11 23:50:03,483 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 191 transitions. [2023-11-11 23:50:03,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-11 23:50:03,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:50:03,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:50:03,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:50:04,108 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 0 proven. 396 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-11-11 23:50:04,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:04,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 128 states and 192 transitions. [2023-11-11 23:50:04,517 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 192 transitions. [2023-11-11 23:50:04,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-11 23:50:04,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:50:04,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:50:04,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:50:05,018 INFO L134 CoverageAnalysis]: Checked inductivity of 822 backedges. 306 proven. 45 refuted. 0 times theorem prover too weak. 471 trivial. 0 not checked. [2023-11-11 23:50:05,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:05,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 131 states and 202 transitions. [2023-11-11 23:50:05,971 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 202 transitions. [2023-11-11 23:50:05,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-11 23:50:05,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:50:05,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:50:06,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:50:06,215 INFO L134 CoverageAnalysis]: Checked inductivity of 855 backedges. 333 proven. 6 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2023-11-11 23:50:06,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:06,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 133 states and 203 transitions. [2023-11-11 23:50:06,791 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 203 transitions. [2023-11-11 23:50:06,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-11 23:50:06,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:50:06,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:50:06,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:50:07,831 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 735 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2023-11-11 23:50:14,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:14,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 154 states and 229 transitions. [2023-11-11 23:50:14,720 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 229 transitions. [2023-11-11 23:50:14,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-11-11 23:50:14,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:50:14,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:50:14,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat