./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db14f9dd-252b-47ca-a165-38e83ccb7f3d/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db14f9dd-252b-47ca-a165-38e83ccb7f3d/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_db14f9dd-252b-47ca-a165-38e83ccb7f3d/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db14f9dd-252b-47ca-a165-38e83ccb7f3d/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db14f9dd-252b-47ca-a165-38e83ccb7f3d/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_db14f9dd-252b-47ca-a165-38e83ccb7f3d/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 357c28cbcf8a6aaf949faeabbb5ae0b19b92db6bb2faeba12cd91e7c958ae977 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:54:54,472 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:54:54,534 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db14f9dd-252b-47ca-a165-38e83ccb7f3d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 01:54:54,538 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:54:54,539 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:54:54,561 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:54:54,562 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:54:54,563 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:54:54,564 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:54:54,564 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:54:54,565 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:54:54,566 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:54:54,566 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:54:54,567 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:54:54,567 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:54:54,568 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:54:54,568 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:54:54,569 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:54:54,569 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:54:54,570 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:54:54,570 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:54:54,572 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:54:54,573 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:54:54,573 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:54:54,574 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:54:54,574 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:54:54,574 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:54:54,575 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:54:54,575 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:54:54,576 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:54:54,576 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:54:54,577 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:54:54,577 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:54:54,577 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_db14f9dd-252b-47ca-a165-38e83ccb7f3d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db14f9dd-252b-47ca-a165-38e83ccb7f3d/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 357c28cbcf8a6aaf949faeabbb5ae0b19b92db6bb2faeba12cd91e7c958ae977 [2023-12-03 01:54:54,780 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:54:54,800 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:54:54,802 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:54:54,804 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:54:54,804 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:54:54,805 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db14f9dd-252b-47ca-a165-38e83ccb7f3d/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound10.c [2023-12-03 01:54:57,508 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:54:57,678 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:54:57,678 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db14f9dd-252b-47ca-a165-38e83ccb7f3d/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound10.c [2023-12-03 01:54:57,684 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db14f9dd-252b-47ca-a165-38e83ccb7f3d/bin/ukojak-verify-Qdu7aM0XO9/data/ff89c1afb/312a23b798cf4bd69109aaf204b41fa6/FLAGe3cb88d9d [2023-12-03 01:54:57,696 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db14f9dd-252b-47ca-a165-38e83ccb7f3d/bin/ukojak-verify-Qdu7aM0XO9/data/ff89c1afb/312a23b798cf4bd69109aaf204b41fa6 [2023-12-03 01:54:57,698 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:54:57,700 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:54:57,701 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:54:57,701 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:54:57,705 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:54:57,705 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:54:57" (1/1) ... [2023-12-03 01:54:57,706 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35f2a1f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:54:57, skipping insertion in model container [2023-12-03 01:54:57,707 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:54:57" (1/1) ... [2023-12-03 01:54:57,725 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:54:57,844 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_db14f9dd-252b-47ca-a165-38e83ccb7f3d/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound10.c[552,565] [2023-12-03 01:54:57,861 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:54:57,871 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:54:57,882 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_db14f9dd-252b-47ca-a165-38e83ccb7f3d/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound10.c[552,565] [2023-12-03 01:54:57,890 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:54:57,904 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:54:57,905 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:54:57 WrapperNode [2023-12-03 01:54:57,905 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:54:57,906 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:54:57,906 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:54:57,906 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:54:57,912 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:54:57" (1/1) ... [2023-12-03 01:54:57,918 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:54:57" (1/1) ... [2023-12-03 01:54:57,940 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 78 [2023-12-03 01:54:57,940 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:54:57,941 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:54:57,941 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:54:57,941 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:54:57,948 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:54:57" (1/1) ... [2023-12-03 01:54:57,948 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:54:57" (1/1) ... [2023-12-03 01:54:57,950 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:54:57" (1/1) ... [2023-12-03 01:54:57,950 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:54:57" (1/1) ... [2023-12-03 01:54:57,954 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:54:57" (1/1) ... [2023-12-03 01:54:57,958 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:54:57" (1/1) ... [2023-12-03 01:54:57,959 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:54:57" (1/1) ... [2023-12-03 01:54:57,960 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:54:57" (1/1) ... [2023-12-03 01:54:57,963 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:54:57,963 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:54:57,963 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:54:57,964 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:54:57,964 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:54:57" (1/1) ... [2023-12-03 01:54:57,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:54:57,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db14f9dd-252b-47ca-a165-38e83ccb7f3d/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:54:57,998 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db14f9dd-252b-47ca-a165-38e83ccb7f3d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:54:58,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db14f9dd-252b-47ca-a165-38e83ccb7f3d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:54:58,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:54:58,031 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 01:54:58,032 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 01:54:58,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:54:58,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:54:58,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:54:58,032 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 01:54:58,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 01:54:58,093 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:54:58,095 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:54:58,242 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:54:58,272 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:54:58,272 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-12-03 01:54:58,273 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:54:58 BoogieIcfgContainer [2023-12-03 01:54:58,274 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:54:58,275 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:54:58,275 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:54:58,285 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:54:58,285 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:54:58" (1/1) ... [2023-12-03 01:54:58,294 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:54:58,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:54:58,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2023-12-03 01:54:58,350 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2023-12-03 01:54:58,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 01:54:58,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:54:58,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:54:58,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:54:58,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:54:58,549 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:54:58,554 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:54:58,579 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 01:54:58,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:54:58,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2023-12-03 01:54:58,603 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2023-12-03 01:54:58,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 01:54:58,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:54:58,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:54:58,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:54:58,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 01:54:58,692 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:54:58,854 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 01:54:58,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:54:58,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 37 states and 61 transitions. [2023-12-03 01:54:58,981 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2023-12-03 01:54:58,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 01:54:58,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:54:58,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:54:59,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:54:59,029 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:54:59,031 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:54:59,092 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 01:54:59,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:54:59,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 41 states and 68 transitions. [2023-12-03 01:54:59,557 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 68 transitions. [2023-12-03 01:54:59,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 01:54:59,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:54:59,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:54:59,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:54:59,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 01:54:59,608 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:54:59,689 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 01:54:59,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:54:59,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 41 states and 68 transitions. [2023-12-03 01:54:59,740 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 68 transitions. [2023-12-03 01:54:59,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 01:54:59,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:54:59,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:54:59,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:54:59,787 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 01:54:59,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:54:59,849 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 01:54:59,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:54:59,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 41 states and 68 transitions. [2023-12-03 01:54:59,864 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 68 transitions. [2023-12-03 01:54:59,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 01:54:59,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:54:59,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:54:59,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:54:59,902 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 01:54:59,904 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:54:59,961 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 01:54:59,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:54:59,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 41 states and 68 transitions. [2023-12-03 01:54:59,976 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 68 transitions. [2023-12-03 01:54:59,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 01:54:59,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:54:59,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:55:00,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:55:00,013 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 01:55:00,015 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:55:00,071 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 01:55:00,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:55:00,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 41 states and 68 transitions. [2023-12-03 01:55:00,089 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 68 transitions. [2023-12-03 01:55:00,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 01:55:00,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:55:00,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:55:00,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:55:00,130 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 01:55:00,131 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:55:00,185 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 01:55:00,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:55:00,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 41 states and 68 transitions. [2023-12-03 01:55:00,199 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 68 transitions. [2023-12-03 01:55:00,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 01:55:00,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:55:00,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:55:00,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:55:00,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 01:55:00,249 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:55:00,304 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 01:55:00,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:55:00,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 41 states and 68 transitions. [2023-12-03 01:55:00,319 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 68 transitions. [2023-12-03 01:55:00,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 01:55:00,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:55:00,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:55:00,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:55:00,363 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 01:55:00,365 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:55:00,425 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 01:55:00,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:55:00,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 41 states and 68 transitions. [2023-12-03 01:55:00,442 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 68 transitions. [2023-12-03 01:55:00,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 01:55:00,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:55:00,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:55:00,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:55:00,480 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 01:55:00,482 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:55:00,539 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 01:55:00,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:55:00,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 41 states and 68 transitions. [2023-12-03 01:55:00,554 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 68 transitions. [2023-12-03 01:55:00,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 01:55:00,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:55:00,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:55:00,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:55:00,590 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 01:55:00,592 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:55:00,652 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 01:55:00,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:55:00,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 41 states and 68 transitions. [2023-12-03 01:55:00,668 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 68 transitions. [2023-12-03 01:55:00,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 01:55:00,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:55:00,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:55:00,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:55:00,704 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 01:55:00,706 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:55:00,756 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 01:55:00,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:55:00,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 41 states and 68 transitions. [2023-12-03 01:55:00,769 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 68 transitions. [2023-12-03 01:55:00,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 01:55:00,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:55:00,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:55:00,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:55:00,801 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 01:55:00,803 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:55:00,854 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 01:55:00,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:55:00,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 41 states and 68 transitions. [2023-12-03 01:55:00,868 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 68 transitions. [2023-12-03 01:55:00,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 01:55:00,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:55:00,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:55:00,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:55:00,912 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 01:55:00,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:55:00,965 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 01:55:00,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:55:00,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 41 states and 68 transitions. [2023-12-03 01:55:00,977 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 68 transitions. [2023-12-03 01:55:00,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 01:55:00,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:55:00,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:55:01,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:55:01,008 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 01:55:01,009 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:55:01,053 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 01:55:01,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:55:01,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 41 states and 68 transitions. [2023-12-03 01:55:01,064 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 68 transitions. [2023-12-03 01:55:01,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 01:55:01,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:55:01,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:55:01,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:55:01,095 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 01:55:01,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:55:01,141 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 01:55:01,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:55:01,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 41 states and 68 transitions. [2023-12-03 01:55:01,153 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 68 transitions. [2023-12-03 01:55:01,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 01:55:01,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:55:01,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:55:01,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:55:01,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 01:55:01,184 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:55:01,227 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 01:55:01,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:55:01,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 41 states and 68 transitions. [2023-12-03 01:55:01,238 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 68 transitions. [2023-12-03 01:55:01,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 01:55:01,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:55:01,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:55:01,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:55:01,272 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 01:55:01,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:55:01,321 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 01:55:01,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:55:01,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 41 states and 68 transitions. [2023-12-03 01:55:01,331 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 68 transitions. [2023-12-03 01:55:01,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 01:55:01,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:55:01,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:55:01,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:55:01,360 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 01:55:01,361 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:55:01,409 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 01:55:01,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:55:01,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 41 states and 68 transitions. [2023-12-03 01:55:01,419 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 68 transitions. [2023-12-03 01:55:01,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 01:55:01,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:55:01,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:55:01,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:55:01,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 01:55:01,449 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:55:01,491 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 01:55:01,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:55:01,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 41 states and 68 transitions. [2023-12-03 01:55:01,501 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 68 transitions. [2023-12-03 01:55:01,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 01:55:01,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:55:01,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:55:01,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:55:01,528 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 01:55:01,529 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:55:01,658 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 01:55:07,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.55s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 01:55:07,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:55:07,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 40 states and 68 transitions. [2023-12-03 01:55:07,643 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 68 transitions. [2023-12-03 01:55:07,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 01:55:07,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:55:07,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:55:17,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 01:55:17,686 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 01:55:17,689 INFO L158 Benchmark]: Toolchain (without parser) took 19989.00ms. Allocated memory was 151.0MB in the beginning and 209.7MB in the end (delta: 58.7MB). Free memory was 116.4MB in the beginning and 144.0MB in the end (delta: -27.7MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. [2023-12-03 01:55:17,689 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 104.9MB. Free memory is still 55.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:55:17,690 INFO L158 Benchmark]: CACSL2BoogieTranslator took 204.61ms. Allocated memory is still 151.0MB. Free memory was 116.0MB in the beginning and 105.0MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 01:55:17,691 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.44ms. Allocated memory is still 151.0MB. Free memory was 105.0MB in the beginning and 103.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:55:17,691 INFO L158 Benchmark]: Boogie Preprocessor took 21.75ms. Allocated memory is still 151.0MB. Free memory was 103.4MB in the beginning and 102.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:55:17,692 INFO L158 Benchmark]: RCFGBuilder took 310.48ms. Allocated memory is still 151.0MB. Free memory was 102.1MB in the beginning and 88.7MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 01:55:17,693 INFO L158 Benchmark]: CodeCheck took 19413.58ms. Allocated memory was 151.0MB in the beginning and 209.7MB in the end (delta: 58.7MB). Free memory was 88.7MB in the beginning and 144.0MB in the end (delta: -55.3MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2023-12-03 01:55:17,696 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 104.9MB. Free memory is still 55.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 204.61ms. Allocated memory is still 151.0MB. Free memory was 116.0MB in the beginning and 105.0MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.44ms. Allocated memory is still 151.0MB. Free memory was 105.0MB in the beginning and 103.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.75ms. Allocated memory is still 151.0MB. Free memory was 103.4MB in the beginning and 102.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 310.48ms. Allocated memory is still 151.0MB. Free memory was 102.1MB in the beginning and 88.7MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 19413.58ms. Allocated memory was 151.0MB in the beginning and 209.7MB in the end (delta: 58.7MB). Free memory was 88.7MB in the beginning and 144.0MB in the end (delta: -55.3MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 01:55:17,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db14f9dd-252b-47ca-a165-38e83ccb7f3d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db14f9dd-252b-47ca-a165-38e83ccb7f3d/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db14f9dd-252b-47ca-a165-38e83ccb7f3d/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_db14f9dd-252b-47ca-a165-38e83ccb7f3d/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db14f9dd-252b-47ca-a165-38e83ccb7f3d/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db14f9dd-252b-47ca-a165-38e83ccb7f3d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db14f9dd-252b-47ca-a165-38e83ccb7f3d/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 357c28cbcf8a6aaf949faeabbb5ae0b19b92db6bb2faeba12cd91e7c958ae977 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:55:19,654 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:55:19,731 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db14f9dd-252b-47ca-a165-38e83ccb7f3d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 01:55:19,762 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:55:19,763 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:55:19,763 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:55:19,764 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:55:19,765 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:55:19,765 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:55:19,766 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:55:19,767 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:55:19,767 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:55:19,768 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:55:19,768 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:55:19,769 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:55:19,769 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:55:19,770 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 01:55:19,770 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 01:55:19,771 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 01:55:19,772 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:55:19,772 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:55:19,773 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:55:19,773 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:55:19,774 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:55:19,774 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:55:19,775 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:55:19,775 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 01:55:19,776 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:55:19,776 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:55:19,777 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:55:19,777 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:55:19,778 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:55:19,778 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 01:55:19,778 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:55:19,778 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:55:19,779 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 01:55:19,779 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 01:55:19,779 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_db14f9dd-252b-47ca-a165-38e83ccb7f3d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db14f9dd-252b-47ca-a165-38e83ccb7f3d/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 357c28cbcf8a6aaf949faeabbb5ae0b19b92db6bb2faeba12cd91e7c958ae977 [2023-12-03 01:55:20,089 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:55:20,109 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:55:20,111 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:55:20,113 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:55:20,113 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:55:20,114 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db14f9dd-252b-47ca-a165-38e83ccb7f3d/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound10.c [2023-12-03 01:55:22,859 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:55:23,055 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:55:23,056 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db14f9dd-252b-47ca-a165-38e83ccb7f3d/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound10.c [2023-12-03 01:55:23,064 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db14f9dd-252b-47ca-a165-38e83ccb7f3d/bin/ukojak-verify-Qdu7aM0XO9/data/92d5a3396/9ce42dac70ac485d8d173854dc427052/FLAG24972cc25 [2023-12-03 01:55:23,076 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db14f9dd-252b-47ca-a165-38e83ccb7f3d/bin/ukojak-verify-Qdu7aM0XO9/data/92d5a3396/9ce42dac70ac485d8d173854dc427052 [2023-12-03 01:55:23,078 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:55:23,079 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:55:23,081 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:55:23,081 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:55:23,086 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:55:23,086 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:55:23" (1/1) ... [2023-12-03 01:55:23,088 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a849e0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:55:23, skipping insertion in model container [2023-12-03 01:55:23,088 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:55:23" (1/1) ... [2023-12-03 01:55:23,110 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:55:23,268 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_db14f9dd-252b-47ca-a165-38e83ccb7f3d/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound10.c[552,565] [2023-12-03 01:55:23,287 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:55:23,301 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:55:23,315 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_db14f9dd-252b-47ca-a165-38e83ccb7f3d/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound10.c[552,565] [2023-12-03 01:55:23,323 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:55:23,339 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:55:23,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:55:23 WrapperNode [2023-12-03 01:55:23,339 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:55:23,341 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:55:23,341 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:55:23,341 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:55:23,349 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:55:23" (1/1) ... [2023-12-03 01:55:23,357 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:55:23" (1/1) ... [2023-12-03 01:55:23,379 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 78 [2023-12-03 01:55:23,380 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:55:23,380 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:55:23,381 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:55:23,381 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:55:23,390 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:55:23" (1/1) ... [2023-12-03 01:55:23,391 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:55:23" (1/1) ... [2023-12-03 01:55:23,394 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:55:23" (1/1) ... [2023-12-03 01:55:23,394 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:55:23" (1/1) ... [2023-12-03 01:55:23,400 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:55:23" (1/1) ... [2023-12-03 01:55:23,404 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:55:23" (1/1) ... [2023-12-03 01:55:23,406 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:55:23" (1/1) ... [2023-12-03 01:55:23,408 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:55:23" (1/1) ... [2023-12-03 01:55:23,410 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:55:23,411 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:55:23,412 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:55:23,412 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:55:23,413 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:55:23" (1/1) ... [2023-12-03 01:55:23,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:55:23,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db14f9dd-252b-47ca-a165-38e83ccb7f3d/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:55:23,441 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db14f9dd-252b-47ca-a165-38e83ccb7f3d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:55:23,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db14f9dd-252b-47ca-a165-38e83ccb7f3d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:55:23,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:55:23,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 01:55:23,476 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 01:55:23,476 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 01:55:23,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:55:23,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:55:23,477 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 01:55:23,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 01:55:23,553 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:55:23,556 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:55:23,735 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:55:23,770 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:55:23,770 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-12-03 01:55:23,772 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:55:23 BoogieIcfgContainer [2023-12-03 01:55:23,772 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:55:23,773 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:55:23,774 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:55:23,781 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:55:23,782 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:55:23" (1/1) ... [2023-12-03 01:55:23,789 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:55:23,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:55:23,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2023-12-03 01:55:23,858 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2023-12-03 01:55:23,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 01:55:23,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:55:23,863 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:55:23,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db14f9dd-252b-47ca-a165-38e83ccb7f3d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:55:23,870 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db14f9dd-252b-47ca-a165-38e83ccb7f3d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:55:23,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db14f9dd-252b-47ca-a165-38e83ccb7f3d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 01:55:23,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:55:23,970 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:55:24,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:55:24,030 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:55:24,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:55:24,056 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 01:55:24,060 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db14f9dd-252b-47ca-a165-38e83ccb7f3d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 01:55:24,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db14f9dd-252b-47ca-a165-38e83ccb7f3d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 01:55:24,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:55:24,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2023-12-03 01:55:24,087 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2023-12-03 01:55:24,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 01:55:24,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:55:24,088 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:55:24,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db14f9dd-252b-47ca-a165-38e83ccb7f3d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:55:24,090 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db14f9dd-252b-47ca-a165-38e83ccb7f3d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:55:24,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db14f9dd-252b-47ca-a165-38e83ccb7f3d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 01:55:24,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:55:24,210 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:55:34,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 01:55:34,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db14f9dd-252b-47ca-a165-38e83ccb7f3d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 01:55:34,452 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 01:55:34,455 INFO L158 Benchmark]: Toolchain (without parser) took 11375.41ms. Allocated memory is still 104.9MB. Free memory was 81.1MB in the beginning and 66.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 01:55:34,456 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 71.3MB. Free memory is still 47.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:55:34,456 INFO L158 Benchmark]: CACSL2BoogieTranslator took 259.24ms. Allocated memory is still 104.9MB. Free memory was 80.8MB in the beginning and 69.5MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 01:55:34,457 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.10ms. Allocated memory is still 104.9MB. Free memory was 69.5MB in the beginning and 67.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:55:34,457 INFO L158 Benchmark]: Boogie Preprocessor took 30.13ms. Allocated memory is still 104.9MB. Free memory was 67.9MB in the beginning and 66.4MB in the end (delta: 1.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 01:55:34,457 INFO L158 Benchmark]: RCFGBuilder took 361.26ms. Allocated memory is still 104.9MB. Free memory was 66.4MB in the beginning and 52.1MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 01:55:34,458 INFO L158 Benchmark]: CodeCheck took 10680.69ms. Allocated memory is still 104.9MB. Free memory was 52.1MB in the beginning and 66.4MB in the end (delta: -14.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:55:34,460 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 71.3MB. Free memory is still 47.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 259.24ms. Allocated memory is still 104.9MB. Free memory was 80.8MB in the beginning and 69.5MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.10ms. Allocated memory is still 104.9MB. Free memory was 69.5MB in the beginning and 67.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.13ms. Allocated memory is still 104.9MB. Free memory was 67.9MB in the beginning and 66.4MB in the end (delta: 1.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 361.26ms. Allocated memory is still 104.9MB. Free memory was 66.4MB in the beginning and 52.1MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 10680.69ms. Allocated memory is still 104.9MB. Free memory was 52.1MB in the beginning and 66.4MB in the end (delta: -14.3MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 01:55:34,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db14f9dd-252b-47ca-a165-38e83ccb7f3d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown