./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db617e63-ebb6-4c69-9450-78661b3ecfd8/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db617e63-ebb6-4c69-9450-78661b3ecfd8/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db617e63-ebb6-4c69-9450-78661b3ecfd8/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db617e63-ebb6-4c69-9450-78661b3ecfd8/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db617e63-ebb6-4c69-9450-78661b3ecfd8/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db617e63-ebb6-4c69-9450-78661b3ecfd8/bin/ukojak-verify-ENZ3QT5qd3 --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 1f6c2207c7fc8e707b9260ef6afb25be5d17e51cbd8001e46a4b7aba8375babe --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:18:24,730 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:18:24,849 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db617e63-ebb6-4c69-9450-78661b3ecfd8/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 02:18:24,856 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:18:24,857 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:18:24,895 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:18:24,897 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:18:24,897 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:18:24,898 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:18:24,898 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:18:24,899 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:18:24,899 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:18:24,900 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:18:24,900 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:18:24,900 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:18:24,901 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:18:24,901 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:18:24,901 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:18:24,901 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:18:24,901 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:18:24,901 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:18:24,901 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:18:24,901 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:18:24,901 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:18:24,901 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:18:24,901 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:18:24,902 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:18:24,903 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:18:24,903 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:18:24,903 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:18:24,904 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:18:24,904 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:18:24,904 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:18:24,904 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_db617e63-ebb6-4c69-9450-78661b3ecfd8/bin/ukojak-verify-ENZ3QT5qd3 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 -> 1f6c2207c7fc8e707b9260ef6afb25be5d17e51cbd8001e46a4b7aba8375babe [2024-11-25 02:18:25,266 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:18:25,278 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:18:25,280 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:18:25,282 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:18:25,283 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:18:25,284 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db617e63-ebb6-4c69-9450-78661b3ecfd8/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound100.c [2024-11-25 02:18:28,374 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db617e63-ebb6-4c69-9450-78661b3ecfd8/bin/ukojak-verify-ENZ3QT5qd3/data/b95aab59c/bf7c369739384e4cb1d58263b397ee03/FLAG9cd06bde4 [2024-11-25 02:18:28,637 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:18:28,638 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db617e63-ebb6-4c69-9450-78661b3ecfd8/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound100.c [2024-11-25 02:18:28,647 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db617e63-ebb6-4c69-9450-78661b3ecfd8/bin/ukojak-verify-ENZ3QT5qd3/data/b95aab59c/bf7c369739384e4cb1d58263b397ee03/FLAG9cd06bde4 [2024-11-25 02:18:28,664 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db617e63-ebb6-4c69-9450-78661b3ecfd8/bin/ukojak-verify-ENZ3QT5qd3/data/b95aab59c/bf7c369739384e4cb1d58263b397ee03 [2024-11-25 02:18:28,666 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:18:28,668 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:18:28,670 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:18:28,670 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:18:28,675 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:18:28,676 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:18:28" (1/1) ... [2024-11-25 02:18:28,678 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e1bcaf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:18:28, skipping insertion in model container [2024-11-25 02:18:28,678 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:18:28" (1/1) ... [2024-11-25 02:18:28,694 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:18:28,869 WARN L250 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_db617e63-ebb6-4c69-9450-78661b3ecfd8/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound100.c[525,538] [2024-11-25 02:18:28,898 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:18:28,912 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:18:28,923 WARN L250 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_db617e63-ebb6-4c69-9450-78661b3ecfd8/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound100.c[525,538] [2024-11-25 02:18:28,933 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:18:28,952 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:18:28,953 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:18:28 WrapperNode [2024-11-25 02:18:28,953 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:18:28,954 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:18:28,954 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:18:28,954 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:18:28,962 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:18:28" (1/1) ... [2024-11-25 02:18:28,971 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:18:28" (1/1) ... [2024-11-25 02:18:28,994 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2024-11-25 02:18:28,995 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:18:28,995 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:18:28,995 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:18:28,996 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:18:29,004 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:18:28" (1/1) ... [2024-11-25 02:18:29,005 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:18:28" (1/1) ... [2024-11-25 02:18:29,006 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:18:28" (1/1) ... [2024-11-25 02:18:29,006 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:18:28" (1/1) ... [2024-11-25 02:18:29,013 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:18:28" (1/1) ... [2024-11-25 02:18:29,014 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:18:28" (1/1) ... [2024-11-25 02:18:29,022 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:18:28" (1/1) ... [2024-11-25 02:18:29,027 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:18:28" (1/1) ... [2024-11-25 02:18:29,028 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:18:28" (1/1) ... [2024-11-25 02:18:29,029 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:18:29,030 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:18:29,030 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:18:29,030 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:18:29,031 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:18:28" (1/1) ... [2024-11-25 02:18:29,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:18:29,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db617e63-ebb6-4c69-9450-78661b3ecfd8/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:18:29,081 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db617e63-ebb6-4c69-9450-78661b3ecfd8/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:18:29,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db617e63-ebb6-4c69-9450-78661b3ecfd8/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:18:29,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:18:29,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:18:29,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:18:29,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:18:29,126 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 02:18:29,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 02:18:29,204 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:18:29,207 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:18:29,389 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-25 02:18:29,389 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:18:29,430 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:18:29,433 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 02:18:29,433 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:18:29 BoogieIcfgContainer [2024-11-25 02:18:29,433 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:18:29,434 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:18:29,434 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:18:29,447 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:18:29,448 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:18:29" (1/1) ... [2024-11-25 02:18:29,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:18:29,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:18:29,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-11-25 02:18:29,543 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-11-25 02:18:29,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 02:18:29,550 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:18:29,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:18:29,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:18:29,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:18:29,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:18:29,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-11-25 02:18:29,741 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-25 02:18:29,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 02:18:29,741 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:18:29,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:18:29,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:18:29,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:18:29,819 INFO L256 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:18:29,827 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:18:29,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:18:30,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:18:30,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-11-25 02:18:30,071 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-11-25 02:18:30,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 02:18:30,072 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:18:30,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:18:30,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:18:30,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:18:30,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:18:30,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2024-11-25 02:18:30,588 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2024-11-25 02:18:30,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 02:18:30,592 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:18:30,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:18:30,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:18:30,985 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:18:31,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:18:31,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2024-11-25 02:18:31,684 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2024-11-25 02:18:31,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 02:18:31,685 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:18:31,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:18:31,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:18:31,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:18:31,776 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 02:18:31,779 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:18:32,032 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:18:33,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:18:33,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2024-11-25 02:18:33,125 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2024-11-25 02:18:33,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 02:18:33,126 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:18:33,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:18:33,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:18:33,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:18:33,268 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 02:18:33,270 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:18:33,474 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 02:18:47,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:18:47,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 30 states and 47 transitions. [2024-11-25 02:18:47,182 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-25 02:18:47,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-25 02:18:47,185 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:18:47,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:18:47,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:18:47,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:18:47,367 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 02:18:47,370 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:18:47,666 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 02:18:53,781 WARN L286 SmtUtils]: Spent 5.15s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:18:55,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:18:55,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2024-11-25 02:18:55,156 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2024-11-25 02:18:55,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-25 02:18:55,157 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:18:55,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:18:55,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:18:55,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:18:55,428 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-25 02:18:55,430 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:18:55,763 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-25 02:19:18,684 WARN L286 SmtUtils]: Spent 22.07s on a formula simplification that was a NOOP. DAG size: 35 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:19:38,746 WARN L286 SmtUtils]: Spent 18.25s on a formula simplification that was a NOOP. DAG size: 36 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:19:40,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:19:40,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 38 states and 61 transitions. [2024-11-25 02:19:40,610 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2024-11-25 02:19:40,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-25 02:19:40,611 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:19:40,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:19:40,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:19:40,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:19:40,832 INFO L256 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-25 02:19:40,835 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:19:41,257 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 10 proven. 55 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-25 02:20:06,741 WARN L286 SmtUtils]: Spent 12.48s on a formula simplification that was a NOOP. DAG size: 41 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:20:38,416 WARN L286 SmtUtils]: Spent 30.80s on a formula simplification that was a NOOP. DAG size: 42 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:20:41,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:20:41,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 42 states and 68 transitions. [2024-11-25 02:20:41,488 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 68 transitions. [2024-11-25 02:20:41,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-25 02:20:41,491 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:20:41,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:20:41,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:20:41,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:20:41,831 INFO L256 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-25 02:20:41,839 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:20:42,318 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 20 proven. 85 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-25 02:21:19,615 WARN L286 SmtUtils]: Spent 35.27s on a formula simplification that was a NOOP. DAG size: 47 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:22:15,735 WARN L286 SmtUtils]: Spent 55.65s on a formula simplification that was a NOOP. DAG size: 48 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:22:32,347 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 [] [2024-11-25 02:22:32,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:22:32,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 46 states and 75 transitions. [2024-11-25 02:22:32,461 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 75 transitions. [2024-11-25 02:22:32,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-25 02:22:32,462 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:22:32,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:22:32,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:22:32,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:22:32,750 INFO L256 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-25 02:22:32,753 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:22:33,446 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 42 proven. 107 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-25 02:23:09,509 WARN L286 SmtUtils]: Spent 33.83s on a formula simplification that was a NOOP. DAG size: 53 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:24:55,090 WARN L286 SmtUtils]: Spent 1.52m on a formula simplification that was a NOOP. DAG size: 54 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:25:04,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:25:04,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 50 states and 82 transitions. [2024-11-25 02:25:04,878 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 82 transitions. [2024-11-25 02:25:04,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-25 02:25:04,880 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:25:04,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:25:04,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:25:05,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:25:05,350 INFO L256 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 72 conjuncts are in the unsatisfiable core [2024-11-25 02:25:05,359 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:25:06,720 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 46 proven. 142 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-25 02:26:36,358 WARN L286 SmtUtils]: Spent 1.25m on a formula simplification that was a NOOP. DAG size: 59 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:27:54,386 WARN L286 SmtUtils]: Spent 1.18m on a formula simplification that was a NOOP. DAG size: 60 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:28:04,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:28:04,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 54 states and 89 transitions. [2024-11-25 02:28:04,892 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 89 transitions. [2024-11-25 02:28:04,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-25 02:28:04,893 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:28:04,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:28:04,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:28:05,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:28:05,236 INFO L256 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-11-25 02:28:05,239 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:32:19,347 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 40 proven. 191 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked.