./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound50.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_11ecbab6-43a8-40bd-8040-d98668ab4707/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ecbab6-43a8-40bd-8040-d98668ab4707/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_11ecbab6-43a8-40bd-8040-d98668ab4707/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ecbab6-43a8-40bd-8040-d98668ab4707/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ecbab6-43a8-40bd-8040-d98668ab4707/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_11ecbab6-43a8-40bd-8040-d98668ab4707/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 436f0a1b9da8affd8e76edc25dee0cffff5a08ff489ec96067821d6a4548518b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:27:00,378 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:27:00,542 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ecbab6-43a8-40bd-8040-d98668ab4707/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:27:00,554 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:27:00,561 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:27:00,602 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:27:00,603 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:27:00,604 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:27:00,606 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:27:00,612 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:27:00,613 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:27:00,614 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:27:00,615 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:27:00,617 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:27:00,619 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:27:00,619 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:27:00,620 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:27:00,620 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:27:00,621 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:27:00,621 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:27:00,622 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:27:00,623 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:27:00,623 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:27:00,624 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:27:00,625 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:27:00,625 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:27:00,626 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:27:00,626 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:27:00,627 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:27:00,627 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:27:00,629 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:27:00,629 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:27:00,630 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:27:00,630 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:27:00,631 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:27:00,631 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_11ecbab6-43a8-40bd-8040-d98668ab4707/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ecbab6-43a8-40bd-8040-d98668ab4707/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 436f0a1b9da8affd8e76edc25dee0cffff5a08ff489ec96067821d6a4548518b [2023-11-23 20:27:01,021 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:27:01,074 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:27:01,077 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:27:01,079 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:27:01,080 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:27:01,082 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ecbab6-43a8-40bd-8040-d98668ab4707/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound50.c [2023-11-23 20:27:04,389 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:27:04,640 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:27:04,641 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ecbab6-43a8-40bd-8040-d98668ab4707/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound50.c [2023-11-23 20:27:04,650 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ecbab6-43a8-40bd-8040-d98668ab4707/bin/ukojak-verify-1t5iHCbJaC/data/1bcfd3cbc/1ead7ddf594e41959efa72793e72fc92/FLAG15949d8a0 [2023-11-23 20:27:04,664 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ecbab6-43a8-40bd-8040-d98668ab4707/bin/ukojak-verify-1t5iHCbJaC/data/1bcfd3cbc/1ead7ddf594e41959efa72793e72fc92 [2023-11-23 20:27:04,666 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:27:04,668 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:27:04,669 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:27:04,670 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:27:04,674 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:27:04,674 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:27:04" (1/1) ... [2023-11-23 20:27:04,675 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31a52b1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:04, skipping insertion in model container [2023-11-23 20:27:04,676 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:27:04" (1/1) ... [2023-11-23 20:27:04,702 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:27:04,890 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:27:04,901 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:27:04,926 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:27:04,950 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:27:04,951 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:04 WrapperNode [2023-11-23 20:27:04,951 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:27:04,953 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:27:04,953 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:27:04,953 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:27:04,961 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:04" (1/1) ... [2023-11-23 20:27:04,984 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:04" (1/1) ... [2023-11-23 20:27:05,018 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 156 [2023-11-23 20:27:05,019 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:27:05,020 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:27:05,020 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:27:05,021 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:27:05,031 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:04" (1/1) ... [2023-11-23 20:27:05,031 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:04" (1/1) ... [2023-11-23 20:27:05,034 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:04" (1/1) ... [2023-11-23 20:27:05,034 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:04" (1/1) ... [2023-11-23 20:27:05,039 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:04" (1/1) ... [2023-11-23 20:27:05,044 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:04" (1/1) ... [2023-11-23 20:27:05,046 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:04" (1/1) ... [2023-11-23 20:27:05,047 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:04" (1/1) ... [2023-11-23 20:27:05,050 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:27:05,051 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:27:05,051 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:27:05,052 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:27:05,053 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:04" (1/1) ... [2023-11-23 20:27:05,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:27:05,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ecbab6-43a8-40bd-8040-d98668ab4707/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:27:05,098 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ecbab6-43a8-40bd-8040-d98668ab4707/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:27:05,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11ecbab6-43a8-40bd-8040-d98668ab4707/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:27:05,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:27:05,140 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:27:05,141 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:27:05,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:27:05,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:27:05,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:27:05,142 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:27:05,143 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:27:05,242 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:27:05,245 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:27:05,920 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:27:05,959 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:27:05,959 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-23 20:27:05,961 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:27:05 BoogieIcfgContainer [2023-11-23 20:27:05,961 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:27:05,962 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:27:05,963 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:27:05,972 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:27:05,973 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:27:05" (1/1) ... [2023-11-23 20:27:05,981 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:27:06,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:06,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 137 states and 150 transitions. [2023-11-23 20:27:06,039 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 150 transitions. [2023-11-23 20:27:06,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:27:06,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:06,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:06,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:06,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:06,185 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:27:06,190 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:06,211 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 20:27:06,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:06,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 137 states and 149 transitions. [2023-11-23 20:27:06,233 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 149 transitions. [2023-11-23 20:27:06,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:27:06,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:06,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:06,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:06,406 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 20:27:06,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:06,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 139 states and 152 transitions. [2023-11-23 20:27:06,470 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 152 transitions. [2023-11-23 20:27:06,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:27:06,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:06,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:06,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:06,618 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 20:27:06,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:06,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 140 states and 153 transitions. [2023-11-23 20:27:06,640 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 153 transitions. [2023-11-23 20:27:06,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:27:06,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:06,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:06,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:06,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:27:06,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:06,750 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 20:27:06,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:06,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 141 states and 155 transitions. [2023-11-23 20:27:06,822 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 155 transitions. [2023-11-23 20:27:06,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:27:06,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:06,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:06,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:06,866 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:27:06,868 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:06,979 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 20:27:07,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:07,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 147 states and 166 transitions. [2023-11-23 20:27:07,500 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 166 transitions. [2023-11-23 20:27:07,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:27:07,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:07,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:07,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:07,559 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:27:07,560 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:07,672 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 20:27:08,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:08,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 154 states and 179 transitions. [2023-11-23 20:27:08,400 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 179 transitions. [2023-11-23 20:27:08,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:27:08,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:08,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:08,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:08,619 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 20:27:08,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:08,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 158 states and 188 transitions. [2023-11-23 20:27:08,991 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 188 transitions. [2023-11-23 20:27:08,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:27:08,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:08,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:09,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:09,031 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:27:09,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:09,091 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 20:27:10,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:10,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 166 states and 204 transitions. [2023-11-23 20:27:10,036 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 204 transitions. [2023-11-23 20:27:10,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:27:10,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:10,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:10,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:10,320 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 20:27:11,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:11,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 170 states and 215 transitions. [2023-11-23 20:27:11,010 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 215 transitions. [2023-11-23 20:27:11,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:27:11,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:11,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:11,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:11,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:27:11,045 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:11,061 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 20:27:11,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:11,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 171 states and 216 transitions. [2023-11-23 20:27:11,081 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 216 transitions. [2023-11-23 20:27:11,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:27:11,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:11,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:11,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:11,118 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:27:11,120 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:11,276 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 20:27:11,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:11,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 174 states and 220 transitions. [2023-11-23 20:27:11,641 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 220 transitions. [2023-11-23 20:27:11,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:27:11,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:11,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:11,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:11,664 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:27:11,665 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:11,759 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 20:27:12,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:12,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 175 states and 221 transitions. [2023-11-23 20:27:12,409 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 221 transitions. [2023-11-23 20:27:12,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:27:12,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:12,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:12,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:12,446 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:27:12,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:12,487 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 20:27:12,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:12,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 176 states and 222 transitions. [2023-11-23 20:27:12,519 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 222 transitions. [2023-11-23 20:27:12,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:27:12,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:12,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:12,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:12,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:27:12,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:12,627 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 20:27:14,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:14,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 188 states and 244 transitions. [2023-11-23 20:27:14,656 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 244 transitions. [2023-11-23 20:27:14,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:27:14,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:14,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:14,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:14,685 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:27:14,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:14,715 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 20:27:15,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:15,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 195 states and 258 transitions. [2023-11-23 20:27:15,308 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 258 transitions. [2023-11-23 20:27:15,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:27:15,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:15,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:15,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:15,582 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 20:27:16,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:16,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 200 states and 266 transitions. [2023-11-23 20:27:16,187 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 266 transitions. [2023-11-23 20:27:16,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:27:16,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:16,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:16,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:16,221 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:27:16,224 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:16,246 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 20:27:16,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:16,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 201 states and 267 transitions. [2023-11-23 20:27:16,268 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 267 transitions. [2023-11-23 20:27:16,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:27:16,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:16,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:16,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:16,297 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:27:16,309 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:16,333 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 20:27:16,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:16,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 202 states and 268 transitions. [2023-11-23 20:27:16,358 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 268 transitions. [2023-11-23 20:27:16,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:27:16,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:16,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:16,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:16,569 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 20:27:17,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:17,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 206 states and 276 transitions. [2023-11-23 20:27:17,395 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 276 transitions. [2023-11-23 20:27:17,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:27:17,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:17,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:17,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:17,424 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:27:17,426 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:17,680 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 20:27:18,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:18,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 209 states and 279 transitions. [2023-11-23 20:27:18,304 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 279 transitions. [2023-11-23 20:27:18,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:27:18,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:18,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:18,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:18,327 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:27:18,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:18,582 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 20:27:20,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:20,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 218 states and 296 transitions. [2023-11-23 20:27:20,250 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 296 transitions. [2023-11-23 20:27:20,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:27:20,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:20,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:20,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:20,274 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:27:20,275 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:20,358 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 20:27:20,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:20,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 219 states and 297 transitions. [2023-11-23 20:27:20,812 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 297 transitions. [2023-11-23 20:27:20,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:27:20,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:20,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:20,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:20,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:27:20,837 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:21,095 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 20:27:23,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:23,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 229 states and 315 transitions. [2023-11-23 20:27:23,398 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 315 transitions. [2023-11-23 20:27:23,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:27:23,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:23,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:23,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:23,468 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 20:27:23,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:23,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 230 states and 316 transitions. [2023-11-23 20:27:23,495 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 316 transitions. [2023-11-23 20:27:23,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:27:23,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:23,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:23,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:23,517 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:27:23,521 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:23,541 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 20:27:25,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:25,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 240 states and 337 transitions. [2023-11-23 20:27:25,535 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 337 transitions. [2023-11-23 20:27:25,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:27:25,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:25,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:25,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:25,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:27:25,563 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:25,856 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 20:27:29,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:29,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 256 states and 363 transitions. [2023-11-23 20:27:29,355 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 363 transitions. [2023-11-23 20:27:29,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:27:29,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:29,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:29,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:29,380 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:27:29,381 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:29,509 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:27:32,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:32,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 267 states and 383 transitions. [2023-11-23 20:27:32,297 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 383 transitions. [2023-11-23 20:27:32,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:27:32,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:32,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:32,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:32,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:27:32,323 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:32,353 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 20:27:32,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:32,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 268 states and 384 transitions. [2023-11-23 20:27:32,374 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 384 transitions. [2023-11-23 20:27:32,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:27:32,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:32,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:32,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:32,395 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:27:32,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:32,796 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 20:27:37,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:37,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 285 states and 412 transitions. [2023-11-23 20:27:37,430 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 412 transitions. [2023-11-23 20:27:37,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:27:37,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:37,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:37,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:37,456 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:27:37,457 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:37,475 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 20:27:37,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:37,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 286 states and 413 transitions. [2023-11-23 20:27:37,494 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 413 transitions. [2023-11-23 20:27:37,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:27:37,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:37,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:37,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:37,517 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:27:37,518 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:37,591 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 20:27:41,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:41,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 298 states and 434 transitions. [2023-11-23 20:27:41,467 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 434 transitions. [2023-11-23 20:27:41,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:27:41,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:41,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:41,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:41,500 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 20:27:41,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:42,116 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 20:27:44,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:44,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 310 states and 448 transitions. [2023-11-23 20:27:44,769 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 448 transitions. [2023-11-23 20:27:44,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:27:44,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:44,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:44,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:44,799 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:27:44,801 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:45,266 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 20:27:47,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:47,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 318 states and 463 transitions. [2023-11-23 20:27:47,542 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 463 transitions. [2023-11-23 20:27:47,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:27:47,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:47,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:47,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:47,576 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:27:47,577 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:47,643 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 20:27:51,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:51,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 331 states and 486 transitions. [2023-11-23 20:27:51,539 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 486 transitions. [2023-11-23 20:27:51,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:27:51,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:51,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:51,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:51,559 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 20:27:51,561 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:52,107 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 20:27:53,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:53,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 334 states and 490 transitions. [2023-11-23 20:27:53,172 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 490 transitions. [2023-11-23 20:27:53,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:27:53,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:53,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:53,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:53,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:27:53,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:53,696 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.