./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd881a01-6fb9-475d-9102-ba414fea750c/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd881a01-6fb9-475d-9102-ba414fea750c/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_bd881a01-6fb9-475d-9102-ba414fea750c/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd881a01-6fb9-475d-9102-ba414fea750c/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd881a01-6fb9-475d-9102-ba414fea750c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd881a01-6fb9-475d-9102-ba414fea750c/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9692f5b55a240b01d2d0c222255869fb052ffe02a605ab1c8e72ef46a070f8cd --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:03:01,629 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:03:01,691 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd881a01-6fb9-475d-9102-ba414fea750c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 02:03:01,695 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:03:01,696 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:03:01,720 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:03:01,721 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:03:01,721 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:03:01,722 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:03:01,723 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:03:01,724 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:03:01,724 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:03:01,725 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:03:01,725 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:03:01,726 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:03:01,726 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:03:01,727 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:03:01,727 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:03:01,728 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:03:01,728 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:03:01,729 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:03:01,729 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:03:01,730 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:03:01,730 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:03:01,731 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:03:01,731 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:03:01,732 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:03:01,732 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:03:01,733 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:03:01,733 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:03:01,733 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:03:01,734 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:03:01,734 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:03:01,734 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_bd881a01-6fb9-475d-9102-ba414fea750c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd881a01-6fb9-475d-9102-ba414fea750c/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9692f5b55a240b01d2d0c222255869fb052ffe02a605ab1c8e72ef46a070f8cd [2023-12-03 02:03:01,932 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:03:01,952 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:03:01,954 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:03:01,955 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:03:01,956 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:03:01,957 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd881a01-6fb9-475d-9102-ba414fea750c/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound50.c [2023-12-03 02:03:04,658 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:03:04,825 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:03:04,825 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd881a01-6fb9-475d-9102-ba414fea750c/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound50.c [2023-12-03 02:03:04,832 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd881a01-6fb9-475d-9102-ba414fea750c/bin/ukojak-verify-Qdu7aM0XO9/data/7cebfa07b/f3436f8e787d41aca62546271e6d298c/FLAGacfd7630d [2023-12-03 02:03:04,843 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd881a01-6fb9-475d-9102-ba414fea750c/bin/ukojak-verify-Qdu7aM0XO9/data/7cebfa07b/f3436f8e787d41aca62546271e6d298c [2023-12-03 02:03:04,845 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:03:04,846 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:03:04,847 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:03:04,847 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:03:04,851 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:03:04,851 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:03:04" (1/1) ... [2023-12-03 02:03:04,852 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2117abe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:03:04, skipping insertion in model container [2023-12-03 02:03:04,852 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:03:04" (1/1) ... [2023-12-03 02:03:04,872 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:03:05,010 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd881a01-6fb9-475d-9102-ba414fea750c/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound50.c[537,550] [2023-12-03 02:03:05,025 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:03:05,034 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:03:05,047 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd881a01-6fb9-475d-9102-ba414fea750c/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound50.c[537,550] [2023-12-03 02:03:05,054 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:03:05,069 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:03:05,069 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:03:05 WrapperNode [2023-12-03 02:03:05,070 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:03:05,071 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:03:05,071 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:03:05,071 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:03:05,079 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:03:05" (1/1) ... [2023-12-03 02:03:05,086 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:03:05" (1/1) ... [2023-12-03 02:03:05,106 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 66 [2023-12-03 02:03:05,107 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:03:05,108 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:03:05,108 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:03:05,108 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:03:05,117 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:03:05" (1/1) ... [2023-12-03 02:03:05,118 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:03:05" (1/1) ... [2023-12-03 02:03:05,119 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:03:05" (1/1) ... [2023-12-03 02:03:05,119 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:03:05" (1/1) ... [2023-12-03 02:03:05,123 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:03:05" (1/1) ... [2023-12-03 02:03:05,127 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:03:05" (1/1) ... [2023-12-03 02:03:05,128 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:03:05" (1/1) ... [2023-12-03 02:03:05,129 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:03:05" (1/1) ... [2023-12-03 02:03:05,131 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:03:05,132 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:03:05,132 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:03:05,132 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:03:05,133 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:03:05" (1/1) ... [2023-12-03 02:03:05,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:03:05,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd881a01-6fb9-475d-9102-ba414fea750c/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:03:05,163 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd881a01-6fb9-475d-9102-ba414fea750c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:03:05,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd881a01-6fb9-475d-9102-ba414fea750c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:03:05,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:03:05,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:03:05,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:03:05,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:03:05,198 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 02:03:05,199 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 02:03:05,262 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:03:05,264 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:03:05,407 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:03:05,459 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:03:05,460 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-03 02:03:05,461 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:03:05 BoogieIcfgContainer [2023-12-03 02:03:05,461 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:03:05,462 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:03:05,462 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:03:05,470 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:03:05,470 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:03:05" (1/1) ... [2023-12-03 02:03:05,478 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:03:05,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:05,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2023-12-03 02:03:05,525 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2023-12-03 02:03:05,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 02:03:05,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:05,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:05,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:05,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:05,645 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:03:05,649 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:03:05,672 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 02:03:05,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:05,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2023-12-03 02:03:05,697 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2023-12-03 02:03:05,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 02:03:05,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:05,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:05,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:05,906 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 02:03:06,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:06,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 45 transitions. [2023-12-03 02:03:06,004 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 45 transitions. [2023-12-03 02:03:06,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 02:03:06,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:06,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:06,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:06,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:06,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:03:06,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:03:06,102 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 02:03:06,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:06,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 48 transitions. [2023-12-03 02:03:06,276 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 48 transitions. [2023-12-03 02:03:06,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 02:03:06,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:06,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:06,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:06,445 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 02:03:06,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:06,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 33 states and 57 transitions. [2023-12-03 02:03:06,753 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 57 transitions. [2023-12-03 02:03:06,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 02:03:06,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:06,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:06,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:06,784 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:03:06,786 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:03:06,987 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:03:07,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:07,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 38 states and 68 transitions. [2023-12-03 02:03:07,701 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 68 transitions. [2023-12-03 02:03:07,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 02:03:07,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:07,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:07,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:07,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:03:07,734 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:03:07,838 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 02:03:08,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:08,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 48 states and 109 transitions. [2023-12-03 02:03:08,889 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 109 transitions. [2023-12-03 02:03:08,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 02:03:08,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:08,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:08,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:08,918 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 02:03:08,921 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:03:09,146 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 02:03:10,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:10,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 54 states and 127 transitions. [2023-12-03 02:03:10,234 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 127 transitions. [2023-12-03 02:03:10,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 02:03:10,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:10,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:10,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:10,264 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:03:10,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:03:10,338 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 02:03:10,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:10,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 56 states and 132 transitions. [2023-12-03 02:03:10,675 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 132 transitions. [2023-12-03 02:03:10,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 02:03:10,676 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:10,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:10,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:10,707 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:03:10,710 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:03:10,828 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-03 02:03:28,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:28,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 61 states and 148 transitions. [2023-12-03 02:03:28,280 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 148 transitions. [2023-12-03 02:03:28,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 02:03:28,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:28,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:28,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:28,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:03:28,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:03:28,539 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-03 02:03:31,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:31,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 65 states and 159 transitions. [2023-12-03 02:03:31,967 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 159 transitions. [2023-12-03 02:03:31,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-03 02:03:31,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:31,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:32,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:32,888 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-03 02:03:32,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:03:33,171 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 12 proven. 15 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-03 02:03:56,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:56,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 71 states and 183 transitions. [2023-12-03 02:03:56,346 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 183 transitions. [2023-12-03 02:03:56,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-03 02:03:56,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:56,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:57,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:57,204 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-03 02:03:57,205 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:03:57,266 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 12 proven. 15 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-03 02:04:02,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:04:02,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 75 states and 196 transitions. [2023-12-03 02:04:02,566 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 196 transitions. [2023-12-03 02:04:02,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:04:02,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:04:02,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:04:02,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:04:02,630 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 02:04:02,632 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:04:03,275 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-03 02:04:32,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:04:32,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 81 states and 222 transitions. [2023-12-03 02:04:32,927 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 222 transitions. [2023-12-03 02:04:32,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 02:04:32,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:04:32,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:04:32,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:04:32,956 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 02:04:32,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:04:33,683 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-03 02:05:01,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:05:01,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 86 states and 240 transitions. [2023-12-03 02:05:01,617 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 240 transitions. [2023-12-03 02:05:01,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 02:05:01,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:05:01,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:05:01,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:05:01,649 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:05:01,650 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:05:02,003 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-12-03 02:05:16,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.86s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 02:05:50,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.66s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 02:06:03,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:06:03,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 91 states and 257 transitions. [2023-12-03 02:06:03,972 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 257 transitions. [2023-12-03 02:06:03,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 02:06:03,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:06:03,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:06:03,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:03,998 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 02:06:03,999 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:06:05,948 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-03 02:06:26,279 WARN L293 SmtUtils]: Spent 10.03s on a formula simplification. DAG size of input: 26 DAG size of output: 23 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 02:06:42,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:06:42,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 98 states and 286 transitions. [2023-12-03 02:06:42,440 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 286 transitions. [2023-12-03 02:06:42,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-03 02:06:42,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:06:42,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:06:42,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:42,515 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 02:06:42,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:07:16,700 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 14 proven. 19 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-12-03 02:11:05,869 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 02:11:15,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 02:11:26,258 WARN L539 Checker$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 02:11:26,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:11:26,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 111 states and 333 transitions. [2023-12-03 02:11:26,272 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 333 transitions. [2023-12-03 02:11:26,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-03 02:11:26,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:11:26,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:11:26,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:26,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 02:11:26,397 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:11:26,455 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 14 proven. 13 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-12-03 02:13:46,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 02:13:56,984 WARN L539 Checker$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 02:14:07,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 02:14:07,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:14:07,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 118 states and 356 transitions. [2023-12-03 02:14:07,071 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 356 transitions. [2023-12-03 02:14:07,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-03 02:14:07,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:14:07,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:14:07,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:07,099 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 02:14:07,101 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:14:07,153 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 42 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-03 02:14:44,759 WARN L539 Checker$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 02:14:55,042 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 02:14:55,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:14:55,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 126 states and 435 transitions. [2023-12-03 02:14:55,926 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 435 transitions. [2023-12-03 02:14:55,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-03 02:14:55,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:14:55,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:14:56,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:56,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 02:14:56,036 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:14:56,233 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 14 proven. 19 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-12-03 02:14:59,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:14:59,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 128 states and 436 transitions. [2023-12-03 02:14:59,328 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 436 transitions. [2023-12-03 02:14:59,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-03 02:14:59,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:14:59,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:14:59,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:59,355 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 02:14:59,356 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:14:59,418 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 42 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-03 02:15:01,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:15:01,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 128 states and 435 transitions. [2023-12-03 02:15:01,153 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 435 transitions. [2023-12-03 02:15:01,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-03 02:15:01,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:15:01,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:15:01,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:01,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 02:15:01,183 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:15:01,898 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-03 02:15:06,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:15:06,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 130 states and 447 transitions. [2023-12-03 02:15:06,771 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 447 transitions. [2023-12-03 02:15:06,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 02:15:06,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:15:06,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:15:06,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:06,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:15:06,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:15:06,860 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 29 proven. 4 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-12-03 02:15:45,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:15:45,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 131 states and 451 transitions. [2023-12-03 02:15:45,685 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 451 transitions. [2023-12-03 02:15:45,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 02:15:45,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:15:45,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:15:45,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:45,713 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:15:45,715 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:15:45,777 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 29 proven. 4 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-12-03 02:17:17,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers []