./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench/fermat2-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_bdec618b-137d-4ea2-bc77-9fda81039a1e/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdec618b-137d-4ea2-bc77-9fda81039a1e/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdec618b-137d-4ea2-bc77-9fda81039a1e/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdec618b-137d-4ea2-bc77-9fda81039a1e/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/fermat2-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdec618b-137d-4ea2-bc77-9fda81039a1e/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdec618b-137d-4ea2-bc77-9fda81039a1e/bin/ukojak-verify-i0I2FZA1j2 --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 43c7c57321afe9055366ca260a89f0e4de96718cc528ce2ea2543b13c4af6ed7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:47:30,891 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:47:31,015 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdec618b-137d-4ea2-bc77-9fda81039a1e/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:47:31,024 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:47:31,025 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:47:31,076 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:47:31,077 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:47:31,078 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:47:31,079 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:47:31,080 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:47:31,081 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:47:31,081 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:47:31,082 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:47:31,083 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:47:31,090 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:47:31,090 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:47:31,091 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:47:31,091 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:47:31,092 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:47:31,092 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:47:31,093 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:47:31,096 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:47:31,096 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:47:31,097 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:47:31,099 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:47:31,100 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:47:31,100 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:47:31,101 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:47:31,102 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:47:31,103 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:47:31,104 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:47:31,104 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:47:31,105 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:47:31,105 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:47:31,105 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:47:31,106 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_bdec618b-137d-4ea2-bc77-9fda81039a1e/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdec618b-137d-4ea2-bc77-9fda81039a1e/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43c7c57321afe9055366ca260a89f0e4de96718cc528ce2ea2543b13c4af6ed7 [2023-11-21 18:47:31,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:47:31,498 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:47:31,501 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:47:31,502 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:47:31,503 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:47:31,505 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdec618b-137d-4ea2-bc77-9fda81039a1e/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench/fermat2-ll.c [2023-11-21 18:47:34,878 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:47:35,134 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:47:35,135 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdec618b-137d-4ea2-bc77-9fda81039a1e/sv-benchmarks/c/nla-digbench/fermat2-ll.c [2023-11-21 18:47:35,144 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdec618b-137d-4ea2-bc77-9fda81039a1e/bin/ukojak-verify-i0I2FZA1j2/data/994b31b4e/549d58302b28457aaa33287da15aba28/FLAG309a79f67 [2023-11-21 18:47:35,162 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdec618b-137d-4ea2-bc77-9fda81039a1e/bin/ukojak-verify-i0I2FZA1j2/data/994b31b4e/549d58302b28457aaa33287da15aba28 [2023-11-21 18:47:35,165 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:47:35,167 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:47:35,169 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:47:35,169 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:47:35,175 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:47:35,176 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:47:35" (1/1) ... [2023-11-21 18:47:35,178 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d776a52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:35, skipping insertion in model container [2023-11-21 18:47:35,178 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:47:35" (1/1) ... [2023-11-21 18:47:35,205 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:47:35,404 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:47:35,416 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:47:35,441 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:47:35,457 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:47:35,458 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:35 WrapperNode [2023-11-21 18:47:35,458 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:47:35,459 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:47:35,460 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:47:35,460 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:47:35,468 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:35" (1/1) ... [2023-11-21 18:47:35,476 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:35" (1/1) ... [2023-11-21 18:47:35,506 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 104 [2023-11-21 18:47:35,506 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:47:35,507 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:47:35,507 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:47:35,507 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:47:35,519 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:35" (1/1) ... [2023-11-21 18:47:35,519 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:35" (1/1) ... [2023-11-21 18:47:35,521 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:35" (1/1) ... [2023-11-21 18:47:35,522 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:35" (1/1) ... [2023-11-21 18:47:35,526 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:35" (1/1) ... [2023-11-21 18:47:35,536 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:35" (1/1) ... [2023-11-21 18:47:35,538 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:35" (1/1) ... [2023-11-21 18:47:35,539 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:35" (1/1) ... [2023-11-21 18:47:35,542 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:47:35,543 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:47:35,543 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:47:35,543 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:47:35,544 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:35" (1/1) ... [2023-11-21 18:47:35,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:47:35,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdec618b-137d-4ea2-bc77-9fda81039a1e/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:47:35,588 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdec618b-137d-4ea2-bc77-9fda81039a1e/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:47:35,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdec618b-137d-4ea2-bc77-9fda81039a1e/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:47:35,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:47:35,637 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:47:35,637 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:47:35,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:47:35,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:47:35,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:47:35,639 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:47:35,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:47:35,730 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:47:35,733 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:47:36,316 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:47:36,411 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:47:36,411 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:47:36,414 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:47:36 BoogieIcfgContainer [2023-11-21 18:47:36,414 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:47:36,415 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:47:36,415 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:47:36,447 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:47:36,447 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:47:36" (1/1) ... [2023-11-21 18:47:36,457 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:47:36,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:36,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 126 states and 130 transitions. [2023-11-21 18:47:36,523 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 130 transitions. [2023-11-21 18:47:36,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-21 18:47:36,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:36,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:36,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:36,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:36,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:36,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 125 states and 129 transitions. [2023-11-21 18:47:36,749 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 129 transitions. [2023-11-21 18:47:36,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:47:36,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:36,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:36,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:36,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:36,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:36,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 124 states and 128 transitions. [2023-11-21 18:47:36,913 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 128 transitions. [2023-11-21 18:47:36,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:47:36,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:36,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:36,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:37,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:37,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:37,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 123 states and 127 transitions. [2023-11-21 18:47:37,054 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 127 transitions. [2023-11-21 18:47:37,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:47:37,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:37,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:37,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:37,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:37,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:37,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 122 states and 126 transitions. [2023-11-21 18:47:37,146 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 126 transitions. [2023-11-21 18:47:37,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:47:37,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:37,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:37,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:37,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:37,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:37,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 121 states and 125 transitions. [2023-11-21 18:47:37,180 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 125 transitions. [2023-11-21 18:47:37,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:47:37,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:37,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:37,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:37,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:47:37,221 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:37,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:37,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:37,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 120 states and 124 transitions. [2023-11-21 18:47:37,372 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 124 transitions. [2023-11-21 18:47:37,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:47:37,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:37,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:37,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:37,438 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:47:37,444 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:37,509 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:47:37,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:37,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 119 states and 123 transitions. [2023-11-21 18:47:37,563 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 123 transitions. [2023-11-21 18:47:37,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:47:37,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:37,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:37,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:37,604 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:47:37,605 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:37,637 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:47:37,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:37,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 118 states and 122 transitions. [2023-11-21 18:47:37,697 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 122 transitions. [2023-11-21 18:47:37,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:47:37,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:37,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:37,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:37,743 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:47:37,745 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:37,762 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:47:37,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:37,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 117 states and 121 transitions. [2023-11-21 18:47:37,822 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 121 transitions. [2023-11-21 18:47:37,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:47:37,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:37,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:37,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:37,861 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:47:37,863 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:37,890 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:47:37,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:37,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 116 states and 120 transitions. [2023-11-21 18:47:37,958 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 120 transitions. [2023-11-21 18:47:37,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:47:37,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:37,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:37,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:37,983 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:47:37,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:37,987 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:47:38,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:38,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 115 states and 119 transitions. [2023-11-21 18:47:38,004 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 119 transitions. [2023-11-21 18:47:38,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:47:38,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:38,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:38,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:38,052 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:47:38,056 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:38,229 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:47:38,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:38,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 114 states and 118 transitions. [2023-11-21 18:47:38,808 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 118 transitions. [2023-11-21 18:47:38,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:47:38,809 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:38,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:38,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:38,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:47:38,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:38,894 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:47:39,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:39,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 113 states and 117 transitions. [2023-11-21 18:47:39,120 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 117 transitions. [2023-11-21 18:47:39,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:47:39,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:39,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:39,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:39,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:47:39,158 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:39,337 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:47:39,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:39,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 112 states and 116 transitions. [2023-11-21 18:47:39,840 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 116 transitions. [2023-11-21 18:47:39,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:47:39,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:39,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:39,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:39,873 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:47:39,875 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:39,881 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:47:39,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:39,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 112 states and 115 transitions. [2023-11-21 18:47:39,909 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 115 transitions. [2023-11-21 18:47:39,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:47:39,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:39,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:39,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:39,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:47:39,956 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:40,042 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:47:40,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:40,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 114 states and 119 transitions. [2023-11-21 18:47:40,149 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 119 transitions. [2023-11-21 18:47:40,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:47:40,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:40,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:40,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:40,186 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:47:40,197 INFO L285 TraceCheckSpWp]: Computing forward predicates...