./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound20.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_89248bac-9656-4f72-9941-df1e15fceb01/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89248bac-9656-4f72-9941-df1e15fceb01/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_89248bac-9656-4f72-9941-df1e15fceb01/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89248bac-9656-4f72-9941-df1e15fceb01/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89248bac-9656-4f72-9941-df1e15fceb01/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_89248bac-9656-4f72-9941-df1e15fceb01/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 49a20f83cf329df91226e628147ac8e7ab93deb8d5efcb58cae512b640c9b509 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:05:36,100 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:05:36,165 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89248bac-9656-4f72-9941-df1e15fceb01/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 00:05:36,169 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:05:36,169 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:05:36,190 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:05:36,191 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:05:36,192 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:05:36,193 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:05:36,193 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:05:36,194 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:05:36,194 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:05:36,195 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:05:36,195 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:05:36,196 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:05:36,196 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:05:36,197 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:05:36,197 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:05:36,197 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:05:36,198 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:05:36,198 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:05:36,200 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:05:36,201 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:05:36,201 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:05:36,201 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:05:36,202 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:05:36,202 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:05:36,202 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:05:36,203 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:05:36,203 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:05:36,204 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:05:36,204 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:05:36,204 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:05:36,204 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_89248bac-9656-4f72-9941-df1e15fceb01/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89248bac-9656-4f72-9941-df1e15fceb01/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 49a20f83cf329df91226e628147ac8e7ab93deb8d5efcb58cae512b640c9b509 [2023-12-03 00:05:36,445 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:05:36,468 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:05:36,471 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:05:36,472 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:05:36,472 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:05:36,474 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89248bac-9656-4f72-9941-df1e15fceb01/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound20.c [2023-12-03 00:05:39,215 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:05:39,370 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:05:39,370 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89248bac-9656-4f72-9941-df1e15fceb01/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound20.c [2023-12-03 00:05:39,378 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89248bac-9656-4f72-9941-df1e15fceb01/bin/ukojak-verify-Qdu7aM0XO9/data/f3c63056c/8b1727f408a24725986876eea81d4d35/FLAG40c0312c7 [2023-12-03 00:05:39,391 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89248bac-9656-4f72-9941-df1e15fceb01/bin/ukojak-verify-Qdu7aM0XO9/data/f3c63056c/8b1727f408a24725986876eea81d4d35 [2023-12-03 00:05:39,393 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:05:39,395 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:05:39,396 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:05:39,396 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:05:39,400 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:05:39,400 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:05:39" (1/1) ... [2023-12-03 00:05:39,402 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fa38f47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:05:39, skipping insertion in model container [2023-12-03 00:05:39,402 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:05:39" (1/1) ... [2023-12-03 00:05:39,422 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:05:39,547 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_89248bac-9656-4f72-9941-df1e15fceb01/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound20.c[525,538] [2023-12-03 00:05:39,576 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:05:39,586 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:05:39,597 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_89248bac-9656-4f72-9941-df1e15fceb01/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound20.c[525,538] [2023-12-03 00:05:39,615 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:05:39,630 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:05:39,630 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:05:39 WrapperNode [2023-12-03 00:05:39,630 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:05:39,631 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:05:39,631 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:05:39,632 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:05:39,638 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:05:39" (1/1) ... [2023-12-03 00:05:39,645 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:05:39" (1/1) ... [2023-12-03 00:05:39,666 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2023-12-03 00:05:39,667 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:05:39,668 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:05:39,668 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:05:39,668 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:05:39,675 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:05:39" (1/1) ... [2023-12-03 00:05:39,676 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:05:39" (1/1) ... [2023-12-03 00:05:39,677 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:05:39" (1/1) ... [2023-12-03 00:05:39,678 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:05:39" (1/1) ... [2023-12-03 00:05:39,682 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:05:39" (1/1) ... [2023-12-03 00:05:39,686 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:05:39" (1/1) ... [2023-12-03 00:05:39,688 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:05:39" (1/1) ... [2023-12-03 00:05:39,689 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:05:39" (1/1) ... [2023-12-03 00:05:39,691 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:05:39,692 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:05:39,692 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:05:39,692 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:05:39,693 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:05:39" (1/1) ... [2023-12-03 00:05:39,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:05:39,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89248bac-9656-4f72-9941-df1e15fceb01/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:05:39,722 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89248bac-9656-4f72-9941-df1e15fceb01/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:05:39,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89248bac-9656-4f72-9941-df1e15fceb01/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:05:39,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:05:39,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:05:39,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:05:39,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:05:39,759 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 00:05:39,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 00:05:39,817 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:05:39,819 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:05:40,025 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:05:40,066 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:05:40,066 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-03 00:05:40,067 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:05:40 BoogieIcfgContainer [2023-12-03 00:05:40,068 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:05:40,068 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:05:40,069 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:05:40,076 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:05:40,076 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:05:40" (1/1) ... [2023-12-03 00:05:40,084 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:05:40,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:05:40,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 24 states and 38 transitions. [2023-12-03 00:05:40,148 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 38 transitions. [2023-12-03 00:05:40,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:05:40,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:05:40,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:05:40,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:40,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:40,279 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:05:40,283 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:05:40,308 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 00:05:40,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:05:40,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 35 transitions. [2023-12-03 00:05:40,334 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2023-12-03 00:05:40,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 00:05:40,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:05:40,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:05:40,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:40,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:40,387 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:05:40,388 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:05:40,430 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 00:05:40,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:05:40,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-03 00:05:40,467 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-03 00:05:40,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:05:40,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:05:40,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:05:40,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:40,502 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:05:40,504 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:05:40,543 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 00:05:40,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:05:40,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 29 states and 45 transitions. [2023-12-03 00:05:40,677 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 45 transitions. [2023-12-03 00:05:40,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:05:40,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:05:40,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:05:40,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:41,252 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 00:05:48,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.73s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 00:05:48,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:05:48,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 37 states and 70 transitions. [2023-12-03 00:05:48,071 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 70 transitions. [2023-12-03 00:05:48,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 00:05:48,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:05:48,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:05:48,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:48,099 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:05:48,100 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:05:48,148 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 00:05:48,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:05:48,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 39 states and 74 transitions. [2023-12-03 00:05:48,353 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 74 transitions. [2023-12-03 00:05:48,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 00:05:48,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:05:48,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:05:48,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:48,650 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 00:05:50,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:05:50,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 45 states and 88 transitions. [2023-12-03 00:05:50,301 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 88 transitions. [2023-12-03 00:05:50,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 00:05:50,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:05:50,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:05:50,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:50,325 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 00:05:50,327 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:05:50,440 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 00:05:50,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:05:50,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 48 states and 97 transitions. [2023-12-03 00:05:50,939 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 97 transitions. [2023-12-03 00:05:50,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 00:05:50,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:05:50,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:05:50,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:51,094 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 00:05:52,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:05:52,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 53 states and 106 transitions. [2023-12-03 00:05:52,472 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 106 transitions. [2023-12-03 00:05:52,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 00:05:52,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:05:52,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:05:52,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:52,604 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 00:05:52,607 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:05:53,070 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:05:55,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:05:55,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 60 states and 123 transitions. [2023-12-03 00:05:55,733 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 123 transitions. [2023-12-03 00:05:55,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 00:05:55,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:05:55,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:05:55,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:56,027 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:05:56,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:05:56,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 62 states and 131 transitions. [2023-12-03 00:05:56,930 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 131 transitions. [2023-12-03 00:05:56,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 00:05:56,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:05:56,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:05:56,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:56,953 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 00:05:56,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:05:57,136 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:05:57,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:05:57,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 65 states and 141 transitions. [2023-12-03 00:05:57,811 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 141 transitions. [2023-12-03 00:05:57,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 00:05:57,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:05:57,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:05:57,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:58,430 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:06:02,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:06:02,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 74 states and 163 transitions. [2023-12-03 00:06:02,945 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 163 transitions. [2023-12-03 00:06:02,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 00:06:02,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:06:02,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:06:03,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:03,005 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-03 00:06:03,006 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:06:03,314 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:06:07,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:06:07,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 81 states and 182 transitions. [2023-12-03 00:06:07,754 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 182 transitions. [2023-12-03 00:06:07,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 00:06:07,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:06:07,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:06:07,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:07,904 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-03 00:06:07,905 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:06:07,990 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:06:10,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:06:10,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 86 states and 191 transitions. [2023-12-03 00:06:10,894 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 191 transitions. [2023-12-03 00:06:10,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 00:06:10,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:06:10,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:06:10,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:10,932 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-03 00:06:10,935 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:06:19,775 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 00:06:30,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:06:30,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 92 states and 211 transitions. [2023-12-03 00:06:30,811 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 211 transitions. [2023-12-03 00:06:30,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 00:06:30,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:06:30,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:06:30,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:30,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 00:06:30,837 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:06:31,024 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:06:31,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:06:31,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 94 states and 226 transitions. [2023-12-03 00:06:31,475 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 226 transitions. [2023-12-03 00:06:31,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 00:06:31,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:06:31,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:06:31,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:32,401 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:06:37,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:06:37,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 102 states and 243 transitions. [2023-12-03 00:06:37,107 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 243 transitions. [2023-12-03 00:06:37,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 00:06:37,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:06:37,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:06:37,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:37,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 00:06:37,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:06:37,438 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:06:38,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:06:38,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 105 states and 256 transitions. [2023-12-03 00:06:38,807 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 256 transitions. [2023-12-03 00:06:38,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 00:06:38,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:06:38,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:06:38,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:39,245 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:06:41,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:06:41,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 108 states and 263 transitions. [2023-12-03 00:06:41,467 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 263 transitions. [2023-12-03 00:06:41,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 00:06:41,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:06:41,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:06:41,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:41,556 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-03 00:06:41,557 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:06:43,138 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:06:54,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:06:54,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 115 states and 286 transitions. [2023-12-03 00:06:54,122 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 286 transitions. [2023-12-03 00:06:54,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 00:06:54,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:06:54,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:06:54,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:54,217 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-03 00:06:54,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:06:54,635 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:06:56,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:06:56,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 117 states and 289 transitions. [2023-12-03 00:06:56,039 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 289 transitions. [2023-12-03 00:06:56,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 00:06:56,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:06:56,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:06:56,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:56,220 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-03 00:06:56,221 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:06:56,516 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:06:58,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:06:58,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 119 states and 290 transitions. [2023-12-03 00:06:58,150 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 290 transitions. [2023-12-03 00:06:58,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 00:06:58,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:06:58,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:06:58,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:58,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-03 00:06:58,384 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:06:58,738 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:07:01,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:07:01,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 122 states and 297 transitions. [2023-12-03 00:07:01,361 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 297 transitions. [2023-12-03 00:07:01,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 00:07:01,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:07:01,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:07:01,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:07:01,433 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-03 00:07:01,434 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:07:01,784 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:07:04,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:07:04,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 125 states and 304 transitions. [2023-12-03 00:07:04,202 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 304 transitions. [2023-12-03 00:07:04,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 00:07:04,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:07:04,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:07:04,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:07:04,230 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 00:07:04,231 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:07:37,503 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:07:46,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:07:46,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 132 states and 325 transitions. [2023-12-03 00:07:46,984 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 325 transitions. [2023-12-03 00:07:46,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 00:07:46,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:07:46,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:07:47,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:07:47,013 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 00:07:47,015 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:07:47,289 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:07:50,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:07:50,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 137 states and 334 transitions. [2023-12-03 00:07:50,495 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 334 transitions. [2023-12-03 00:07:50,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 00:07:50,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:07:50,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:07:50,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:07:50,815 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:07:51,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:07:51,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 139 states and 358 transitions. [2023-12-03 00:07:51,503 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 358 transitions. [2023-12-03 00:07:51,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 00:07:51,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:07:51,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:07:51,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:07:51,531 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 00:07:51,533 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:07:56,021 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 00:10:13,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.13s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 00:10:16,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.59s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 00:10:16,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:10:16,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 141 states and 364 transitions. [2023-12-03 00:10:16,916 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 364 transitions. [2023-12-03 00:10:16,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:10:16,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:10:16,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:10:16,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:18,427 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:10:34,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:10:34,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 146 states and 375 transitions. [2023-12-03 00:10:34,444 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 375 transitions. [2023-12-03 00:10:34,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:10:34,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:10:34,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:10:34,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:34,463 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 00:10:34,464 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:10:35,031 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:10:37,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:10:37,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 149 states and 391 transitions. [2023-12-03 00:10:37,400 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 391 transitions. [2023-12-03 00:10:37,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:10:37,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:10:37,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:10:37,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:38,437 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:10:44,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:10:44,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 152 states and 398 transitions. [2023-12-03 00:10:44,441 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 398 transitions. [2023-12-03 00:10:44,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 00:10:44,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:10:44,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:10:44,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:44,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-03 00:10:44,471 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:10:47,661 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:10:59,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:10:59,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 158 states and 415 transitions. [2023-12-03 00:10:59,954 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 415 transitions. [2023-12-03 00:10:59,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 00:10:59,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:10:59,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:11:00,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:00,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-03 00:11:00,125 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:11:03,383 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:11:05,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:11:05,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 160 states and 418 transitions. [2023-12-03 00:11:05,820 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 418 transitions. [2023-12-03 00:11:05,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 00:11:05,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:11:05,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:11:05,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:05,996 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-03 00:11:05,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:11:16,529 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:11:24,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:11:24,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 166 states and 435 transitions. [2023-12-03 00:11:24,766 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 435 transitions. [2023-12-03 00:11:24,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 00:11:24,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:11:24,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:11:24,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:24,796 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-03 00:11:24,797 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:11:25,502 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:11:28,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:11:28,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 168 states and 438 transitions. [2023-12-03 00:11:28,109 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 438 transitions. [2023-12-03 00:11:28,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 00:11:28,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:11:28,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:11:28,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:28,314 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-03 00:11:28,315 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:11:36,360 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:11:39,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:11:39,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 171 states and 445 transitions. [2023-12-03 00:11:39,347 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 445 transitions. [2023-12-03 00:11:39,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 00:11:39,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:11:39,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:11:39,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:39,375 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-03 00:11:39,375 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:11:39,741 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:11:46,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:11:46,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 174 states and 452 transitions. [2023-12-03 00:11:46,266 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 452 transitions. [2023-12-03 00:11:46,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 00:11:46,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:11:46,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:11:46,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:46,298 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 00:11:46,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:12:40,869 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:13:28,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:13:28,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 181 states and 473 transitions. [2023-12-03 00:13:28,893 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 473 transitions. [2023-12-03 00:13:28,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 00:13:28,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:13:28,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:13:28,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:28,924 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 00:13:28,925 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:13:29,009 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:13:32,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:13:32,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 186 states and 485 transitions. [2023-12-03 00:13:32,810 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 485 transitions. [2023-12-03 00:13:32,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 00:13:32,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:13:32,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:13:32,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:32,845 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 00:13:32,846 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:13:33,325 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:13:34,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:13:34,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 188 states and 486 transitions. [2023-12-03 00:13:34,838 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 486 transitions. [2023-12-03 00:13:34,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 00:13:34,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:13:34,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:13:34,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:34,870 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 00:13:34,871 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:13:35,008 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:13:37,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:13:37,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 191 states and 493 transitions. [2023-12-03 00:13:37,678 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 493 transitions. [2023-12-03 00:13:37,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 00:13:37,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:13:37,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:13:37,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:38,191 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:13:39,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:13:39,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 193 states and 527 transitions. [2023-12-03 00:13:39,438 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 527 transitions. [2023-12-03 00:13:39,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 00:13:39,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:13:39,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:13:39,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:39,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 00:13:39,474 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:14:22,587 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 00:16:12,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 00:16:57,934 WARN L293 SmtUtils]: Spent 10.06s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:17:08,904 WARN L539 Checker$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 00:17:18,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 00:17:28,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 00:17:29,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:17:29,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 195 states and 533 transitions. [2023-12-03 00:17:29,998 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 533 transitions. [2023-12-03 00:17:29,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 00:17:29,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:17:29,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:17:30,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:18:00,995 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:18:34,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:18:34,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 206 states and 570 transitions. [2023-12-03 00:18:34,387 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 570 transitions. [2023-12-03 00:18:34,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 00:18:34,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:18:34,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:18:34,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:18:34,409 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 00:18:34,410 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:18:35,441 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:18:41,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:18:41,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 209 states and 589 transitions. [2023-12-03 00:18:41,526 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 589 transitions. [2023-12-03 00:18:41,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 00:18:41,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:18:41,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:18:41,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:18:42,375 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:18:57,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:18:57,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 212 states and 597 transitions. [2023-12-03 00:18:57,558 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 597 transitions. [2023-12-03 00:18:57,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 00:18:57,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:18:57,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:18:57,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:18:57,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 00:18:57,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:19:09,337 WARN L293 SmtUtils]: Spent 10.00s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)