./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fda35d6-dc2f-44db-b0a4-7ff6c8332405/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fda35d6-dc2f-44db-b0a4-7ff6c8332405/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_6fda35d6-dc2f-44db-b0a4-7ff6c8332405/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fda35d6-dc2f-44db-b0a4-7ff6c8332405/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fda35d6-dc2f-44db-b0a4-7ff6c8332405/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fda35d6-dc2f-44db-b0a4-7ff6c8332405/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c7383f54d0aefdd248f516d45c67549426beac87be78bf6e7bb8108aedb7974b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:05:10,655 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:05:10,721 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fda35d6-dc2f-44db-b0a4-7ff6c8332405/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 04:05:10,726 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:05:10,727 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:05:10,759 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:05:10,760 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:05:10,760 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:05:10,761 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:05:10,761 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:05:10,762 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:05:10,762 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:05:10,763 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:05:10,763 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:05:10,764 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:05:10,764 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:05:10,765 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:05:10,765 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:05:10,766 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:05:10,766 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 04:05:10,767 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 04:05:10,767 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:05:10,768 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:05:10,768 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:05:10,768 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:05:10,769 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:05:10,769 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:05:10,770 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:05:10,770 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:05:10,771 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:05:10,771 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:05:10,771 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:05:10,771 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:05:10,772 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:05:10,772 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:05:10,780 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_6fda35d6-dc2f-44db-b0a4-7ff6c8332405/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fda35d6-dc2f-44db-b0a4-7ff6c8332405/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7383f54d0aefdd248f516d45c67549426beac87be78bf6e7bb8108aedb7974b [2023-12-03 04:05:10,999 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:05:11,019 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:05:11,022 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:05:11,023 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:05:11,024 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:05:11,030 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fda35d6-dc2f-44db-b0a4-7ff6c8332405/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound1.c [2023-12-03 04:05:13,732 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:05:13,931 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:05:13,931 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fda35d6-dc2f-44db-b0a4-7ff6c8332405/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound1.c [2023-12-03 04:05:13,939 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fda35d6-dc2f-44db-b0a4-7ff6c8332405/bin/ukojak-verify-Qdu7aM0XO9/data/08a9daedf/530d658bc0084592ac1619cb6dfd06cc/FLAG82c41c308 [2023-12-03 04:05:13,953 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fda35d6-dc2f-44db-b0a4-7ff6c8332405/bin/ukojak-verify-Qdu7aM0XO9/data/08a9daedf/530d658bc0084592ac1619cb6dfd06cc [2023-12-03 04:05:13,955 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:05:13,957 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:05:13,958 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:05:13,958 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:05:13,963 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:05:13,963 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:05:13" (1/1) ... [2023-12-03 04:05:13,964 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75c07191 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:05:13, skipping insertion in model container [2023-12-03 04:05:13,965 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:05:13" (1/1) ... [2023-12-03 04:05:13,985 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:05:14,150 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:05:14,160 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:05:14,177 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:05:14,188 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:05:14,189 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:05:14 WrapperNode [2023-12-03 04:05:14,189 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:05:14,190 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:05:14,190 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:05:14,191 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:05:14,198 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:05:14" (1/1) ... [2023-12-03 04:05:14,205 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:05:14" (1/1) ... [2023-12-03 04:05:14,223 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 103 [2023-12-03 04:05:14,224 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:05:14,224 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:05:14,224 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:05:14,224 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:05:14,231 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:05:14" (1/1) ... [2023-12-03 04:05:14,231 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:05:14" (1/1) ... [2023-12-03 04:05:14,234 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:05:14" (1/1) ... [2023-12-03 04:05:14,234 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:05:14" (1/1) ... [2023-12-03 04:05:14,238 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:05:14" (1/1) ... [2023-12-03 04:05:14,241 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:05:14" (1/1) ... [2023-12-03 04:05:14,242 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:05:14" (1/1) ... [2023-12-03 04:05:14,242 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:05:14" (1/1) ... [2023-12-03 04:05:14,244 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:05:14,244 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:05:14,244 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:05:14,245 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:05:14,245 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:05:14" (1/1) ... [2023-12-03 04:05:14,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:05:14,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fda35d6-dc2f-44db-b0a4-7ff6c8332405/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:05:14,283 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fda35d6-dc2f-44db-b0a4-7ff6c8332405/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:05:14,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fda35d6-dc2f-44db-b0a4-7ff6c8332405/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:05:14,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:05:14,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:05:14,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:05:14,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:05:14,314 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 04:05:14,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 04:05:14,371 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:05:14,373 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:05:14,645 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:05:14,673 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:05:14,673 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-03 04:05:14,675 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:05:14 BoogieIcfgContainer [2023-12-03 04:05:14,675 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:05:14,676 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:05:14,676 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:05:14,686 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:05:14,686 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:05:14" (1/1) ... [2023-12-03 04:05:14,695 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:05:14,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:05:14,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 75 states and 87 transitions. [2023-12-03 04:05:14,746 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2023-12-03 04:05:14,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 04:05:14,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:05:14,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:05:14,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:14,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:05:14,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:05:14,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 77 states and 89 transitions. [2023-12-03 04:05:14,975 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 89 transitions. [2023-12-03 04:05:14,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 04:05:14,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:05:14,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:05:14,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:15,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:05:15,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:05:15,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 78 states and 90 transitions. [2023-12-03 04:05:15,043 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 90 transitions. [2023-12-03 04:05:15,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:05:15,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:05:15,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:05:15,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:15,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:05:15,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:05:15,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 79 states and 90 transitions. [2023-12-03 04:05:15,117 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 90 transitions. [2023-12-03 04:05:15,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 04:05:15,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:05:15,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:05:15,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:15,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 04:05:15,164 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:05:15,253 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:05:15,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:05:15,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 86 states and 100 transitions. [2023-12-03 04:05:15,438 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 100 transitions. [2023-12-03 04:05:15,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 04:05:15,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:05:15,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:05:15,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:15,469 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 04:05:15,470 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:05:15,534 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:05:15,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:05:15,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 90 states and 108 transitions. [2023-12-03 04:05:15,891 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 108 transitions. [2023-12-03 04:05:15,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 04:05:15,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:05:15,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:05:15,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:15,927 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:05:15,928 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:05:15,978 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 04:05:16,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:05:16,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 97 states and 122 transitions. [2023-12-03 04:05:16,480 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 122 transitions. [2023-12-03 04:05:16,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 04:05:16,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:05:16,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:05:16,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:16,509 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 04:05:16,511 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:05:16,627 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 04:05:17,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:05:17,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 107 states and 164 transitions. [2023-12-03 04:05:17,320 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 164 transitions. [2023-12-03 04:05:17,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 04:05:17,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:05:17,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:05:17,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:17,349 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:05:17,350 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:05:17,408 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 04:05:18,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:05:18,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 115 states and 180 transitions. [2023-12-03 04:05:18,501 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 180 transitions. [2023-12-03 04:05:18,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 04:05:18,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:05:18,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:05:18,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:18,531 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 04:05:18,532 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:05:18,704 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 04:05:19,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:05:19,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 126 states and 230 transitions. [2023-12-03 04:05:19,852 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 230 transitions. [2023-12-03 04:05:19,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 04:05:19,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:05:19,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:05:19,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:19,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 04:05:19,878 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:05:19,927 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 04:05:20,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:05:20,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 131 states and 242 transitions. [2023-12-03 04:05:20,376 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 242 transitions. [2023-12-03 04:05:20,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 04:05:20,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:05:20,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:05:20,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:20,399 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 04:05:20,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:05:20,449 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 04:05:21,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:05:21,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 137 states and 256 transitions. [2023-12-03 04:05:21,054 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 256 transitions. [2023-12-03 04:05:21,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 04:05:21,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:05:21,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:05:21,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:21,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:05:21,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:05:21,142 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 04:05:22,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:05:22,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 148 states and 285 transitions. [2023-12-03 04:05:22,875 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 285 transitions. [2023-12-03 04:05:22,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 04:05:22,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:05:22,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:05:22,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:22,898 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:05:22,899 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:05:23,096 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 04:05:24,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:05:25,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 160 states and 347 transitions. [2023-12-03 04:05:25,001 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 347 transitions. [2023-12-03 04:05:25,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 04:05:25,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:05:25,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:05:25,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:25,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:05:25,027 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:05:25,051 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 04:05:25,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:05:25,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 161 states and 348 transitions. [2023-12-03 04:05:25,073 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 348 transitions. [2023-12-03 04:05:25,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 04:05:25,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:05:25,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:05:25,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:25,097 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:05:25,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:05:25,180 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 04:05:26,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:05:26,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 167 states and 359 transitions. [2023-12-03 04:05:26,034 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 359 transitions. [2023-12-03 04:05:26,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 04:05:26,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:05:26,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:05:26,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:26,069 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:05:26,070 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:05:26,191 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 04:05:28,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:05:28,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 180 states and 387 transitions. [2023-12-03 04:05:28,663 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 387 transitions. [2023-12-03 04:05:28,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 04:05:28,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:05:28,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:05:28,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:28,685 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 04:05:28,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:05:28,755 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 04:05:29,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:05:29,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 187 states and 398 transitions. [2023-12-03 04:05:29,774 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 398 transitions. [2023-12-03 04:05:29,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 04:05:29,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:05:29,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:05:29,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:29,799 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:05:29,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:05:30,007 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 04:05:31,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:05:31,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 195 states and 412 transitions. [2023-12-03 04:05:31,392 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 412 transitions. [2023-12-03 04:05:31,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 04:05:31,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:05:31,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:05:31,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:31,419 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 04:05:31,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:05:31,582 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 04:05:31,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:05:31,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 195 states and 406 transitions. [2023-12-03 04:05:31,924 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 406 transitions. [2023-12-03 04:05:31,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 04:05:31,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:05:31,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:05:31,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:31,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 04:05:31,951 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:05:32,128 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 04:05:32,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:05:32,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 199 states and 423 transitions. [2023-12-03 04:05:32,825 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 423 transitions. [2023-12-03 04:05:32,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 04:05:32,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:05:32,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:05:32,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:32,848 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:05:32,849 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:05:32,883 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 04:05:33,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:05:33,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 110 states and 165 transitions. [2023-12-03 04:05:33,200 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 165 transitions. [2023-12-03 04:05:33,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 04:05:33,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:05:33,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:05:33,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:33,222 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:05:33,223 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:05:33,248 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-03 04:05:35,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:05:35,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 53 states and 69 transitions. [2023-12-03 04:05:35,083 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 69 transitions. [2023-12-03 04:05:35,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 04:05:35,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:05:35,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:05:35,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:35,107 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:05:35,108 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:05:35,310 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 04:05:38,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:05:38,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 48 states and 61 transitions. [2023-12-03 04:05:38,354 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2023-12-03 04:05:38,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-03 04:05:38,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:05:38,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:05:38,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:38,379 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:05:38,380 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:05:38,562 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-03 04:05:44,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:05:44,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 47 states and 60 transitions. [2023-12-03 04:05:44,973 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 60 transitions. [2023-12-03 04:05:44,973 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 04:05:44,974 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 25 iterations. [2023-12-03 04:05:44,985 INFO L751 CodeCheckObserver]: All specifications hold 28 specifications checked. All of them hold [2023-12-03 04:05:45,455 INFO L560 CodeCheckObserver]: Invariant with dag size 25 [2023-12-03 04:05:45,463 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 04:05:45,463 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 04:05:45,463 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 04:05:45 ImpRootNode [2023-12-03 04:05:45,463 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 04:05:45,464 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 04:05:45,464 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 04:05:45,464 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 04:05:45,465 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:05:14" (3/4) ... [2023-12-03 04:05:45,466 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 04:05:45,470 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-12-03 04:05:45,475 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2023-12-03 04:05:45,476 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-12-03 04:05:45,476 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-12-03 04:05:45,476 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 04:05:45,477 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 04:05:45,585 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fda35d6-dc2f-44db-b0a4-7ff6c8332405/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 04:05:45,586 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fda35d6-dc2f-44db-b0a4-7ff6c8332405/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 04:05:45,586 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 04:05:45,587 INFO L158 Benchmark]: Toolchain (without parser) took 31630.26ms. Allocated memory was 176.2MB in the beginning and 255.9MB in the end (delta: 79.7MB). Free memory was 146.3MB in the beginning and 129.7MB in the end (delta: 16.5MB). Peak memory consumption was 97.0MB. Max. memory is 16.1GB. [2023-12-03 04:05:45,587 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 121.6MB. Free memory is still 94.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:05:45,588 INFO L158 Benchmark]: CACSL2BoogieTranslator took 231.77ms. Allocated memory is still 176.2MB. Free memory was 146.3MB in the beginning and 135.8MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 04:05:45,589 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.56ms. Allocated memory is still 176.2MB. Free memory was 135.8MB in the beginning and 133.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:05:45,589 INFO L158 Benchmark]: Boogie Preprocessor took 19.60ms. Allocated memory is still 176.2MB. Free memory was 133.8MB in the beginning and 132.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:05:45,589 INFO L158 Benchmark]: RCFGBuilder took 430.53ms. Allocated memory is still 176.2MB. Free memory was 132.6MB in the beginning and 136.1MB in the end (delta: -3.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 04:05:45,590 INFO L158 Benchmark]: CodeCheck took 30787.87ms. Allocated memory was 176.2MB in the beginning and 255.9MB in the end (delta: 79.7MB). Free memory was 136.1MB in the beginning and 136.0MB in the end (delta: 91.6kB). Peak memory consumption was 82.9MB. Max. memory is 16.1GB. [2023-12-03 04:05:45,590 INFO L158 Benchmark]: Witness Printer took 122.26ms. Allocated memory is still 255.9MB. Free memory was 136.0MB in the beginning and 129.7MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-03 04:05:45,593 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 75 locations, 28 error locations. Started 1 CEGAR loops. OverallTime: 30.3s, OverallIterations: 25, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3938 SdHoareTripleChecker+Valid, 17.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2985 mSDsluCounter, 2694 SdHoareTripleChecker+Invalid, 14.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1430 mSDsCounter, 2107 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13513 IncrementalHoareTripleChecker+Invalid, 15620 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2107 mSolverCounterUnsat, 1264 mSDtfsCounter, 13513 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5826 GetRequests, 5201 SyntacticMatches, 125 SemanticMatches, 500 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139995 ImplicationChecksByTransitivity, 26.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 501 NumberOfCodeBlocks, 501 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 477 ConstructedInterpolants, 0 QuantifiedInterpolants, 1575 SizeOfPredicates, 24 NumberOfNonLiveVariables, 1999 ConjunctsInSsa, 84 ConjunctsInUnsatCore, 24 InterpolantComputations, 21 PerfectInterpolantSequences, 158/164 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 58]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 58]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 58]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 58]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 28 specifications checked. All of them hold - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: (((((((((r <= 2147483647) && (B <= 1)) && (q == 0)) && (1 <= d)) && (d <= 1)) && (0 <= (r + 2147483648))) || (1 <= counter)) || !(((p == 1) && (1 <= B)))) || (counter < 0)) - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 121.6MB. Free memory is still 94.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 231.77ms. Allocated memory is still 176.2MB. Free memory was 146.3MB in the beginning and 135.8MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.56ms. Allocated memory is still 176.2MB. Free memory was 135.8MB in the beginning and 133.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.60ms. Allocated memory is still 176.2MB. Free memory was 133.8MB in the beginning and 132.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 430.53ms. Allocated memory is still 176.2MB. Free memory was 132.6MB in the beginning and 136.1MB in the end (delta: -3.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 30787.87ms. Allocated memory was 176.2MB in the beginning and 255.9MB in the end (delta: 79.7MB). Free memory was 136.1MB in the beginning and 136.0MB in the end (delta: 91.6kB). Peak memory consumption was 82.9MB. Max. memory is 16.1GB. * Witness Printer took 122.26ms. Allocated memory is still 255.9MB. Free memory was 136.0MB in the beginning and 129.7MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-03 04:05:45,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fda35d6-dc2f-44db-b0a4-7ff6c8332405/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 Writing output log to file Ultimate.log Result: TRUE