./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83218810-73ae-47f8-86d5-4ed7998712d0/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83218810-73ae-47f8-86d5-4ed7998712d0/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_83218810-73ae-47f8-86d5-4ed7998712d0/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83218810-73ae-47f8-86d5-4ed7998712d0/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83218810-73ae-47f8-86d5-4ed7998712d0/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_83218810-73ae-47f8-86d5-4ed7998712d0/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 3ba6c159d5a75336b71b2a638ad3dc3de6683b2c20813e420caa2034bf261c2c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:15:34,389 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:15:34,515 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83218810-73ae-47f8-86d5-4ed7998712d0/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:15:34,526 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:15:34,526 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:15:34,571 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:15:34,575 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:15:34,576 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:15:34,577 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:15:34,582 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:15:34,583 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:15:34,583 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:15:34,584 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:15:34,586 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:15:34,587 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:15:34,587 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:15:34,588 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:15:34,588 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:15:34,588 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:15:34,589 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:15:34,589 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:15:34,590 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:15:34,590 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:15:34,592 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:15:34,593 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:15:34,594 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:15:34,594 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:15:34,595 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:15:34,595 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:15:34,596 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:15:34,597 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:15:34,598 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:15:34,598 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:15:34,598 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:15:34,598 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:15:34,599 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_83218810-73ae-47f8-86d5-4ed7998712d0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83218810-73ae-47f8-86d5-4ed7998712d0/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ba6c159d5a75336b71b2a638ad3dc3de6683b2c20813e420caa2034bf261c2c [2023-11-23 20:15:34,872 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:15:34,915 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:15:34,919 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:15:34,920 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:15:34,921 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:15:34,923 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83218810-73ae-47f8-86d5-4ed7998712d0/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound1.c [2023-11-23 20:15:38,468 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:15:38,699 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:15:38,700 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83218810-73ae-47f8-86d5-4ed7998712d0/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound1.c [2023-11-23 20:15:38,707 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83218810-73ae-47f8-86d5-4ed7998712d0/bin/ukojak-verify-1t5iHCbJaC/data/ef3205b33/85aa33f5aec34d4fb4dd7abdedc1ccc0/FLAG5897637ab [2023-11-23 20:15:38,721 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83218810-73ae-47f8-86d5-4ed7998712d0/bin/ukojak-verify-1t5iHCbJaC/data/ef3205b33/85aa33f5aec34d4fb4dd7abdedc1ccc0 [2023-11-23 20:15:38,723 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:15:38,725 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:15:38,727 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:15:38,727 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:15:38,731 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:15:38,731 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:15:38" (1/1) ... [2023-11-23 20:15:38,732 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58a000b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:38, skipping insertion in model container [2023-11-23 20:15:38,733 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:15:38" (1/1) ... [2023-11-23 20:15:38,757 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:15:38,944 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:15:38,955 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:15:38,983 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:15:38,998 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:15:38,999 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:38 WrapperNode [2023-11-23 20:15:38,999 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:15:39,000 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:15:39,000 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:15:39,001 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:15:39,008 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:38" (1/1) ... [2023-11-23 20:15:39,016 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:38" (1/1) ... [2023-11-23 20:15:39,045 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 156 [2023-11-23 20:15:39,046 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:15:39,047 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:15:39,047 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:15:39,047 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:15:39,057 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:38" (1/1) ... [2023-11-23 20:15:39,057 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:38" (1/1) ... [2023-11-23 20:15:39,060 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:38" (1/1) ... [2023-11-23 20:15:39,060 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:38" (1/1) ... [2023-11-23 20:15:39,065 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:38" (1/1) ... [2023-11-23 20:15:39,069 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:38" (1/1) ... [2023-11-23 20:15:39,071 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:38" (1/1) ... [2023-11-23 20:15:39,073 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:38" (1/1) ... [2023-11-23 20:15:39,075 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:15:39,076 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:15:39,076 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:15:39,077 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:15:39,078 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:38" (1/1) ... [2023-11-23 20:15:39,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:15:39,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83218810-73ae-47f8-86d5-4ed7998712d0/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:15:39,125 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83218810-73ae-47f8-86d5-4ed7998712d0/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:15:39,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83218810-73ae-47f8-86d5-4ed7998712d0/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:15:39,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:15:39,162 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:15:39,163 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:15:39,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:15:39,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:15:39,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:15:39,163 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:15:39,163 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:15:39,237 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:15:39,239 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:15:39,852 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:15:39,911 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:15:39,912 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-23 20:15:39,914 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:15:39 BoogieIcfgContainer [2023-11-23 20:15:39,915 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:15:39,916 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:15:39,916 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:15:39,927 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:15:39,927 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:15:39" (1/1) ... [2023-11-23 20:15:39,937 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:15:40,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:40,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 137 states and 150 transitions. [2023-11-23 20:15:40,022 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 150 transitions. [2023-11-23 20:15:40,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:15:40,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:40,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:40,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:40,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:40,217 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:15:40,223 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:40,248 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:15:40,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:40,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 137 states and 149 transitions. [2023-11-23 20:15:40,309 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 149 transitions. [2023-11-23 20:15:40,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:15:40,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:40,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:40,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:40,428 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:15:40,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:40,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 139 states and 152 transitions. [2023-11-23 20:15:40,469 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 152 transitions. [2023-11-23 20:15:40,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:15:40,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:40,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:40,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:40,567 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:15:40,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:40,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 140 states and 153 transitions. [2023-11-23 20:15:40,591 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 153 transitions. [2023-11-23 20:15:40,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:15:40,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:40,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:40,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:40,622 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:15:40,623 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:40,686 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:15:40,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:40,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 141 states and 154 transitions. [2023-11-23 20:15:40,751 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 154 transitions. [2023-11-23 20:15:40,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:15:40,752 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:40,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:40,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:40,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:15:40,799 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:40,893 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:15:41,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:41,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 147 states and 164 transitions. [2023-11-23 20:15:41,362 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 164 transitions. [2023-11-23 20:15:41,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:15:41,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:41,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:41,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:41,415 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:15:41,423 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:41,523 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:15:42,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:42,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 154 states and 176 transitions. [2023-11-23 20:15:42,233 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 176 transitions. [2023-11-23 20:15:42,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:15:42,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:42,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:42,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:42,472 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:15:42,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:42,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 158 states and 184 transitions. [2023-11-23 20:15:42,833 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 184 transitions. [2023-11-23 20:15:42,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:15:42,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:42,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:42,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:42,870 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:15:42,872 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:42,927 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:15:43,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:43,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 166 states and 199 transitions. [2023-11-23 20:15:43,988 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 199 transitions. [2023-11-23 20:15:43,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:15:43,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:43,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:43,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:44,227 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:15:44,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:44,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 170 states and 209 transitions. [2023-11-23 20:15:44,944 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 209 transitions. [2023-11-23 20:15:44,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:15:44,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:44,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:44,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:44,983 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:15:44,986 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:45,004 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:15:45,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:45,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 171 states and 210 transitions. [2023-11-23 20:15:45,026 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 210 transitions. [2023-11-23 20:15:45,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:15:45,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:45,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:45,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:45,064 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:15:45,066 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:45,223 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:15:45,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:45,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 174 states and 214 transitions. [2023-11-23 20:15:45,646 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 214 transitions. [2023-11-23 20:15:45,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:15:45,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:45,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:45,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:45,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:15:45,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:45,883 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:15:46,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:46,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 175 states and 215 transitions. [2023-11-23 20:15:46,417 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 215 transitions. [2023-11-23 20:15:46,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:15:46,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:46,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:46,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:46,452 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:15:46,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:46,479 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:15:47,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:47,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 181 states and 228 transitions. [2023-11-23 20:15:47,043 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 228 transitions. [2023-11-23 20:15:47,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:15:47,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:47,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:47,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:47,072 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:15:47,073 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:47,150 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:15:49,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:49,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 193 states and 249 transitions. [2023-11-23 20:15:49,069 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 249 transitions. [2023-11-23 20:15:49,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:15:49,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:49,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:49,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:49,101 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:15:49,102 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:49,127 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:15:49,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:49,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 194 states and 250 transitions. [2023-11-23 20:15:49,158 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 250 transitions. [2023-11-23 20:15:49,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:15:49,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:49,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:49,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:49,196 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:15:49,197 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:49,352 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:15:49,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:49,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 196 states and 251 transitions. [2023-11-23 20:15:49,792 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 251 transitions. [2023-11-23 20:15:49,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:15:49,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:49,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:49,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:49,824 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:15:49,833 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:49,855 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:15:49,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:49,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 197 states and 252 transitions. [2023-11-23 20:15:49,880 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 252 transitions. [2023-11-23 20:15:49,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:15:49,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:49,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:49,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:49,915 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:15:49,916 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:50,132 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:15:51,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:51,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 205 states and 265 transitions. [2023-11-23 20:15:51,571 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 265 transitions. [2023-11-23 20:15:51,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:15:51,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:51,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:51,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:51,593 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:15:51,597 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:51,858 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:15:52,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:52,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 208 states and 268 transitions. [2023-11-23 20:15:52,466 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 268 transitions. [2023-11-23 20:15:52,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:15:52,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:52,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:52,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:52,498 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:15:52,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:52,724 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:15:54,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:54,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 217 states and 282 transitions. [2023-11-23 20:15:54,533 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 282 transitions. [2023-11-23 20:15:54,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:15:54,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:54,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:54,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:54,554 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:15:54,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:54,631 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:15:54,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:54,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 218 states and 283 transitions. [2023-11-23 20:15:54,962 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 283 transitions. [2023-11-23 20:15:54,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:15:54,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:54,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:54,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:54,989 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:15:54,991 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:55,083 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:15:56,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:56,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 228 states and 298 transitions. [2023-11-23 20:15:56,854 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 298 transitions. [2023-11-23 20:15:56,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:15:56,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:56,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:56,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:56,879 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:15:56,880 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:57,135 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:16:00,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:00,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 244 states and 323 transitions. [2023-11-23 20:16:00,682 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 323 transitions. [2023-11-23 20:16:00,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:16:00,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:00,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:00,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:00,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:16:00,719 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:00,745 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:16:00,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:00,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 245 states and 324 transitions. [2023-11-23 20:16:00,773 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 324 transitions. [2023-11-23 20:16:00,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:16:00,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:00,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:00,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:00,802 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:16:00,803 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:01,098 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:16:05,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:05,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 262 states and 351 transitions. [2023-11-23 20:16:05,275 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 351 transitions. [2023-11-23 20:16:05,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:16:05,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:05,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:05,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:05,310 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:16:05,312 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:05,673 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:16:08,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:08,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 274 states and 372 transitions. [2023-11-23 20:16:08,666 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 372 transitions. [2023-11-23 20:16:08,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:16:08,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:08,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:08,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:08,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 20:16:08,704 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:09,292 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:16:11,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:11,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 286 states and 386 transitions. [2023-11-23 20:16:11,641 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 386 transitions. [2023-11-23 20:16:11,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:16:11,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:11,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:11,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:11,666 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:16:11,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:12,067 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:16:15,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:15,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 299 states and 412 transitions. [2023-11-23 20:16:15,835 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 412 transitions. [2023-11-23 20:16:15,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:16:15,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:15,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:15,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:15,859 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 20:16:15,860 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:16,512 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:16:20,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:20,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 318 states and 439 transitions. [2023-11-23 20:16:20,985 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 439 transitions. [2023-11-23 20:16:20,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:16:20,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:20,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:21,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:21,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:16:21,015 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:21,387 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:16:25,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:25,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 329 states and 455 transitions. [2023-11-23 20:16:25,008 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 455 transitions. [2023-11-23 20:16:25,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:16:25,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:25,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:25,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:25,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:16:25,039 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:25,353 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:16:29,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:29,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 342 states and 473 transitions. [2023-11-23 20:16:29,306 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 473 transitions. [2023-11-23 20:16:29,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:16:29,306 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:29,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:29,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:29,348 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:16:29,349 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:30,279 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.