./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench/prodbin-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_fdebdf8e-2337-4906-8d50-b8b73abab3d5/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdebdf8e-2337-4906-8d50-b8b73abab3d5/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdebdf8e-2337-4906-8d50-b8b73abab3d5/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdebdf8e-2337-4906-8d50-b8b73abab3d5/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/prodbin-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdebdf8e-2337-4906-8d50-b8b73abab3d5/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdebdf8e-2337-4906-8d50-b8b73abab3d5/bin/ukojak-verify-Qdu7aM0XO9 --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 77bbfba272f7904e5efe099569a5ed86d54de3fd07a8ce9d48301467c5048e30 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:41:47,636 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:41:47,693 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdebdf8e-2337-4906-8d50-b8b73abab3d5/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 04:41:47,698 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:41:47,699 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:41:47,721 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:41:47,721 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:41:47,722 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:41:47,722 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:41:47,723 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:41:47,724 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:41:47,724 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:41:47,725 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:41:47,725 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:41:47,726 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:41:47,726 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:41:47,727 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:41:47,727 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:41:47,728 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:41:47,728 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 04:41:47,729 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 04:41:47,730 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:41:47,731 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:41:47,731 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:41:47,732 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:41:47,732 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:41:47,733 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:41:47,733 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:41:47,734 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:41:47,734 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:41:47,734 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:41:47,735 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:41:47,735 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:41:47,735 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:41:47,736 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:41:47,736 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_fdebdf8e-2337-4906-8d50-b8b73abab3d5/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdebdf8e-2337-4906-8d50-b8b73abab3d5/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77bbfba272f7904e5efe099569a5ed86d54de3fd07a8ce9d48301467c5048e30 [2023-12-03 04:41:47,959 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:41:47,978 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:41:47,981 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:41:47,982 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:41:47,982 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:41:47,984 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdebdf8e-2337-4906-8d50-b8b73abab3d5/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench/prodbin-ll.c [2023-12-03 04:41:50,739 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:41:50,910 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:41:50,910 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdebdf8e-2337-4906-8d50-b8b73abab3d5/sv-benchmarks/c/nla-digbench/prodbin-ll.c [2023-12-03 04:41:50,917 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdebdf8e-2337-4906-8d50-b8b73abab3d5/bin/ukojak-verify-Qdu7aM0XO9/data/9048af88c/02a488ccd4c946b2ba0ea06b1251a3d0/FLAG57cb25878 [2023-12-03 04:41:50,931 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdebdf8e-2337-4906-8d50-b8b73abab3d5/bin/ukojak-verify-Qdu7aM0XO9/data/9048af88c/02a488ccd4c946b2ba0ea06b1251a3d0 [2023-12-03 04:41:50,933 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:41:50,934 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:41:50,935 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:41:50,935 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:41:50,939 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:41:50,939 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:41:50" (1/1) ... [2023-12-03 04:41:50,940 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f84d175 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:50, skipping insertion in model container [2023-12-03 04:41:50,940 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:41:50" (1/1) ... [2023-12-03 04:41:50,960 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:41:51,104 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:41:51,115 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:41:51,130 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:41:51,142 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:41:51,143 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:51 WrapperNode [2023-12-03 04:41:51,143 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:41:51,144 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:41:51,144 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:41:51,144 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:41:51,150 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:51" (1/1) ... [2023-12-03 04:41:51,155 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:51" (1/1) ... [2023-12-03 04:41:51,172 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 66 [2023-12-03 04:41:51,172 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:41:51,173 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:41:51,173 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:41:51,173 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:41:51,180 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:51" (1/1) ... [2023-12-03 04:41:51,180 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:51" (1/1) ... [2023-12-03 04:41:51,181 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:51" (1/1) ... [2023-12-03 04:41:51,182 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:51" (1/1) ... [2023-12-03 04:41:51,185 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:51" (1/1) ... [2023-12-03 04:41:51,189 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:51" (1/1) ... [2023-12-03 04:41:51,190 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:51" (1/1) ... [2023-12-03 04:41:51,191 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:51" (1/1) ... [2023-12-03 04:41:51,193 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:41:51,194 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:41:51,194 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:41:51,194 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:41:51,195 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:51" (1/1) ... [2023-12-03 04:41:51,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:41:51,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdebdf8e-2337-4906-8d50-b8b73abab3d5/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:41:51,240 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdebdf8e-2337-4906-8d50-b8b73abab3d5/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:41:51,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdebdf8e-2337-4906-8d50-b8b73abab3d5/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:41:51,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:41:51,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:41:51,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:41:51,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:41:51,275 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 04:41:51,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 04:41:51,336 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:41:51,337 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:41:51,523 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:41:51,569 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:41:51,570 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 04:41:51,571 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:41:51 BoogieIcfgContainer [2023-12-03 04:41:51,572 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:41:51,573 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:41:51,573 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:41:51,581 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:41:51,581 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:41:51" (1/1) ... [2023-12-03 04:41:51,589 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:41:51,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:51,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 42 states and 45 transitions. [2023-12-03 04:41:51,636 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 45 transitions. [2023-12-03 04:41:51,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 04:41:51,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:51,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:41:51,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:51,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 04:41:51,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:51,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:41:51,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:51,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 44 states and 47 transitions. [2023-12-03 04:41:51,888 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 47 transitions. [2023-12-03 04:41:51,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 04:41:51,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:51,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:41:51,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:51,914 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 04:41:51,916 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:51,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:41:52,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:52,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 47 states and 52 transitions. [2023-12-03 04:41:52,069 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 52 transitions. [2023-12-03 04:41:52,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 04:41:52,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:52,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:41:52,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:52,090 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:41:52,091 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:52,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:41:52,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:52,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 51 states and 59 transitions. [2023-12-03 04:41:52,393 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 59 transitions. [2023-12-03 04:41:52,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 04:41:52,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:52,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:41:52,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:52,415 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:41:52,416 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:52,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:41:52,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:52,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 56 states and 68 transitions. [2023-12-03 04:41:52,849 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 68 transitions. [2023-12-03 04:41:52,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:41:52,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:52,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:41:52,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:52,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 04:41:52,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:52,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:41:53,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:53,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 62 states and 79 transitions. [2023-12-03 04:41:53,561 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 79 transitions. [2023-12-03 04:41:53,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 04:41:53,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:53,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:41:53,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:53,583 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 04:41:53,584 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:53,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:41:54,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:54,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 69 states and 92 transitions. [2023-12-03 04:41:54,487 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 92 transitions. [2023-12-03 04:41:54,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 04:41:54,491 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:54,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:41:54,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:54,512 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 04:41:54,513 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:54,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:41:54,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:54,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 72 states and 97 transitions. [2023-12-03 04:41:54,829 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 97 transitions. [2023-12-03 04:41:54,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 04:41:54,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:54,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:41:54,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:54,849 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 04:41:54,850 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:54,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:41:55,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:55,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 71 states and 96 transitions. [2023-12-03 04:41:55,034 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 96 transitions. [2023-12-03 04:41:55,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 04:41:55,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:55,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:41:55,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:55,056 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:41:55,057 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:55,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:41:56,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:56,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 80 states and 115 transitions. [2023-12-03 04:41:56,095 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 115 transitions. [2023-12-03 04:41:56,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 04:41:56,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:56,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:41:56,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:56,115 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 04:41:56,116 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:56,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:41:58,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:58,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 87 states and 129 transitions. [2023-12-03 04:41:58,052 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 129 transitions. [2023-12-03 04:41:58,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 04:41:58,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:58,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:41:58,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:58,072 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:41:58,073 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:58,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:42:01,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:01,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 96 states and 148 transitions. [2023-12-03 04:42:01,771 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 148 transitions. [2023-12-03 04:42:01,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 04:42:01,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:01,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:42:01,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:01,787 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 04:42:01,788 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:01,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:42:04,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:04,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 103 states and 162 transitions. [2023-12-03 04:42:04,562 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 162 transitions. [2023-12-03 04:42:04,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 04:42:04,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:04,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:42:04,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:04,580 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:42:04,581 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:04,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:42:07,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:07,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 113 states and 182 transitions. [2023-12-03 04:42:07,842 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 182 transitions. [2023-12-03 04:42:07,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 04:42:07,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:07,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:42:07,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:07,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 04:42:07,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:07,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:42:09,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:09,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 115 states and 186 transitions. [2023-12-03 04:42:09,097 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 186 transitions. [2023-12-03 04:42:09,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 04:42:09,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:09,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:42:09,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:09,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:42:09,115 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:09,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:42:11,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:11,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 126 states and 213 transitions. [2023-12-03 04:42:11,894 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 213 transitions. [2023-12-03 04:42:11,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 04:42:11,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:11,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:42:11,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:11,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:42:11,911 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:11,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:42:13,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:13,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 130 states and 222 transitions. [2023-12-03 04:42:13,152 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 222 transitions. [2023-12-03 04:42:13,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 04:42:13,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:13,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:42:13,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:13,169 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:42:13,169 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:13,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:42:13,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:13,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 133 states and 227 transitions. [2023-12-03 04:42:13,788 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 227 transitions. [2023-12-03 04:42:13,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 04:42:13,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:13,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:42:13,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:13,810 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 04:42:13,811 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:25,606 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:42:46,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 04:43:17,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-03 04:43:17,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:17,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 139 states and 250 transitions. [2023-12-03 04:43:17,949 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 250 transitions. [2023-12-03 04:43:17,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 04:43:17,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:17,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:43:17,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:17,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:43:17,965 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:17,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:43:18,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:18,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 141 states and 253 transitions. [2023-12-03 04:43:18,384 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 253 transitions. [2023-12-03 04:43:18,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 04:43:18,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:18,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:43:18,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:18,404 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 04:43:18,405 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:20,477 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:43:26,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.33s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 04:44:09,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:09,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 146 states and 266 transitions. [2023-12-03 04:44:09,731 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 266 transitions. [2023-12-03 04:44:09,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 04:44:09,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:09,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:44:09,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:09,753 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 04:44:09,755 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:12,928 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:44:14,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:14,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 148 states and 269 transitions. [2023-12-03 04:44:14,124 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 269 transitions. [2023-12-03 04:44:14,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 04:44:14,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:14,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:44:14,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:14,141 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 04:44:14,142 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:14,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:44:15,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:15,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 152 states and 279 transitions. [2023-12-03 04:44:15,030 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 279 transitions. [2023-12-03 04:44:15,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 04:44:15,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:15,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:44:15,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:15,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:44:15,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:15,069 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:44:22,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:22,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 159 states and 292 transitions. [2023-12-03 04:44:22,493 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 292 transitions. [2023-12-03 04:44:22,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 04:44:22,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:22,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:44:22,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:22,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:44:22,512 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:22,532 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:44:37,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:37,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 161 states and 295 transitions. [2023-12-03 04:44:37,443 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 295 transitions. [2023-12-03 04:44:37,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 04:44:37,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:37,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:44:37,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:37,461 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 04:44:37,462 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:37,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:44:38,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:38,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 162 states and 296 transitions. [2023-12-03 04:44:38,082 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 296 transitions. [2023-12-03 04:44:38,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 04:44:38,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:38,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:44:38,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:38,099 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:44:38,100 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:38,126 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 04:44:57,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:57,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 169 states and 309 transitions. [2023-12-03 04:44:57,663 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 309 transitions. [2023-12-03 04:44:57,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 04:44:57,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:57,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:44:57,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:57,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:44:57,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:57,715 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 04:44:58,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:58,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 171 states and 312 transitions. [2023-12-03 04:44:58,882 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 312 transitions. [2023-12-03 04:44:58,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 04:44:58,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:58,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:44:58,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:58,902 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 04:44:58,903 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:58,927 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:45:31,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:31,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 182 states and 335 transitions. [2023-12-03 04:45:31,821 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 335 transitions. [2023-12-03 04:45:31,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 04:45:31,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:31,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:45:31,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:31,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 04:45:31,835 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:31,858 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:45:37,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:37,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 185 states and 341 transitions. [2023-12-03 04:45:37,816 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 341 transitions. [2023-12-03 04:45:37,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 04:45:37,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:37,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:45:37,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:37,833 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 04:45:37,833 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:37,856 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:46:06,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:06,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 187 states and 344 transitions. [2023-12-03 04:46:06,820 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 344 transitions. [2023-12-03 04:46:06,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 04:46:06,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:06,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:46:06,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:06,843 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-03 04:46:06,844 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:46:26,064 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:47:07,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.71s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-03 04:47:08,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:08,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 190 states and 349 transitions. [2023-12-03 04:47:08,827 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 349 transitions. [2023-12-03 04:47:08,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 04:47:08,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:08,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:47:08,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:08,847 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 04:47:08,847 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:47:10,779 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:47:12,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:12,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 190 states and 348 transitions. [2023-12-03 04:47:12,755 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 348 transitions. [2023-12-03 04:47:12,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 04:47:12,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:12,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:47:12,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:12,771 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 04:47:12,772 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:47:12,796 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:47:59,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:59,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 201 states and 373 transitions. [2023-12-03 04:47:59,515 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 373 transitions. [2023-12-03 04:47:59,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 04:47:59,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:59,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:47:59,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:59,531 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 04:47:59,532 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:47:59,552 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:48:35,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:35,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 207 states and 385 transitions. [2023-12-03 04:48:35,363 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 385 transitions. [2023-12-03 04:48:35,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 04:48:35,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:35,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:48:35,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:35,379 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 04:48:35,380 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:48:35,417 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:48:41,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:41,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 210 states and 391 transitions. [2023-12-03 04:48:41,145 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 391 transitions. [2023-12-03 04:48:41,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 04:48:41,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:41,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:48:41,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:41,159 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 04:48:41,160 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:48:41,181 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:49:08,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:49:08,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 212 states and 394 transitions. [2023-12-03 04:49:08,910 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 394 transitions. [2023-12-03 04:49:08,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 04:49:08,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:49:08,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:49:08,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:08,927 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 04:49:08,928 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:49:18,509 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:49:45,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:49:45,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 215 states and 409 transitions. [2023-12-03 04:49:45,904 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 409 transitions. [2023-12-03 04:49:45,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 04:49:45,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:49:45,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:49:45,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:45,924 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 04:49:45,925 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:49:56,734 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:50:44,902 WARN L293 SmtUtils]: Spent 10.28s on a formula simplification. DAG size of input: 58 DAG size of output: 45 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 04:50:52,518 WARN L293 SmtUtils]: Spent 6.43s on a formula simplification. DAG size of input: 31 DAG size of output: 26 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 04:51:45,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:51:45,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 226 states and 449 transitions. [2023-12-03 04:51:45,962 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 449 transitions. [2023-12-03 04:51:45,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 04:51:45,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:51:45,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:51:45,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:45,982 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 04:51:45,983 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:51:49,059 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:51:59,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:51:59,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 233 states and 460 transitions. [2023-12-03 04:51:59,764 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 460 transitions. [2023-12-03 04:51:59,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 04:51:59,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:51:59,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:51:59,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:59,790 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 04:51:59,792 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:52:03,911 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:53:12,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:53:12,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 236 states and 464 transitions. [2023-12-03 04:53:12,330 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 464 transitions. [2023-12-03 04:53:12,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 04:53:12,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:53:12,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:53:12,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:53:12,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:53:12,351 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:53:33,262 WARN L293 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 28 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 04:53:33,286 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:54:32,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:54:32,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 247 states and 496 transitions. [2023-12-03 04:54:32,627 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 496 transitions. [2023-12-03 04:54:32,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 04:54:32,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:54:32,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:54:32,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:54:32,647 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:54:32,648 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:54:33,912 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:54:40,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:54:40,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 255 states and 525 transitions. [2023-12-03 04:54:40,573 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 525 transitions. [2023-12-03 04:54:40,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 04:54:40,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:54:40,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:54:40,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:54:40,593 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:54:40,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:54:41,836 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:54:55,210 WARN L293 SmtUtils]: Spent 10.94s on a formula simplification. DAG size of input: 59 DAG size of output: 52 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 04:55:08,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:55:08,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 258 states and 530 transitions. [2023-12-03 04:55:08,137 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 530 transitions. [2023-12-03 04:55:08,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 04:55:08,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:55:08,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:55:08,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:55:08,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:55:08,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:55:09,344 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:55:14,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:55:14,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 265 states and 541 transitions. [2023-12-03 04:55:14,869 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 541 transitions. [2023-12-03 04:55:14,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 04:55:14,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:55:14,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:55:14,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:55:14,888 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 04:55:14,889 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:55:18,591 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:55:31,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:55:31,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 268 states and 545 transitions. [2023-12-03 04:55:31,861 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 545 transitions. [2023-12-03 04:55:31,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 04:55:31,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:55:31,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:55:31,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:55:31,877 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 04:55:31,878 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:55:31,906 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:55:49,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:55:49,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 281 states and 571 transitions. [2023-12-03 04:55:49,088 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 571 transitions. [2023-12-03 04:55:49,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 04:55:49,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:55:49,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:55:49,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:55:49,104 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 04:55:49,104 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:55:49,128 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:55:56,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:55:56,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 288 states and 583 transitions. [2023-12-03 04:55:56,451 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 583 transitions. [2023-12-03 04:55:56,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 04:55:56,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:55:56,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:55:56,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:55:56,469 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 04:55:56,470 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:55:56,526 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:56:20,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:56:20,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 296 states and 597 transitions. [2023-12-03 04:56:20,625 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 597 transitions. [2023-12-03 04:56:20,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 04:56:20,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:56:20,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:56:20,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:56:20,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 04:56:20,639 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:56:20,665 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:56:28,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:56:28,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 299 states and 602 transitions. [2023-12-03 04:56:28,459 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 602 transitions. [2023-12-03 04:56:28,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 04:56:28,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:56:28,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:56:28,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:56:28,477 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 04:56:28,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:56:28,508 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.